Well I just looked and yeah, 3 less AGI on /RDM. Have to admit that was surprising, so I concede that point. /BLM still isn't the best choice for damage though. Inferior does not equal 'worst' or even 'bad'; simply that it's not the best.
As you stated in your inb4s, relics carry over into any and every event you do... but Atmacites don't. That includes all currently relevant endgame content as well as new content released down the road. That makes Atmacite a short-term, narrow investment, while relics are a long-term, broad investment. But, again, you're running with the relic angle. Gil buys a lot more than relics.
So in effect, it's a disagreement over a short-term investment with decreasing returns, and a long-term investment with increasing returns. As in, when you stop doing Voidwatch, that Atmacite becomes useless; but that relic keeps on being a relic as long as you play the game, and is very unlikely to diminish in actual value.
To me, it's pretty clear which investment provides the best returns.
Lol still defending for your wording I see, but fine, defend w/e, not going to change the fact that /BLM does more dmg than /RDM.
Every gear is short term investment, since you never know which gear,or even relic, remain useful or not after a while. 1 year ago, if you ask which relic to build on DRK,everyone and their mother will reply Apoc. So anyone who build an apoc on that time pretty much just got trashed on parse when reso came out. Ppl who spent 2M on Hagun 3 years ago, now it doesn't worth nearly as much. You can spend your 10M on +7 STR ring or M.Oto+1, god knows when new expansion,they still remain top gear or not. I wouldn't think that far when I decide which gear to invest in, or else that's face it, every gear doesn't last long. I've know enough DRK invested time in empy GA during Abyssea era, only ended up doing Rag 2 years later and toss that Cala...it also wouldn't be fair to judge others using your case....for some ppl VW consists 0~1% of event they do, for some ppl VW consists 30%~50%. And atmacite for COR is way better investment than relic/gears if VW consists more than 10% of event you do on this job. You can't predict the future, just like you don't know if you will still do VW after 6 months, you also don't know the relic/gear you spend 10M on still worth as much after 6 months. So why are you spending gil on gear/relic? Because you want to get the benefit from it now no?
How does COR with atmacite will result dead COR who deal zero damage, when you just proc, zerg, pop fana, proc? But fine, say if a successful ally with 2 COR doing 30% more dmg is less make or break in a pimp pt with super elite DD, you still didn't reply which relic exactly, is more make or break than 30% more dmg you can deal.
I think the reasoning was in this setting:
bad PUG VW group. Pimped COR with pimped atmacite will now be the biggest DD'er in the group and will therefore take the most hate and have the NM on him. While fanatics is good, it doesn't block all damage and bad PUG's also have more trouble with procs meaning fanatics are not as readily refreshed. Therefore dead COR either from non-physical damage or from fanatics wearing. Trust me, I've been that COR in a bad Pil PUG. It can happen even without the best gear and atma.
In a great VW group, a pimped out COR now becomes irrelevant since that group can take out anything provided the COR gives them some handy buffs and someone keeps the procs going. In that setting the difference in outcome from Atmacites is a very tiny kill speed improvement rather than a complete wipe vs win scenario.
Personally I've been building my atmacites mostly because I like to see what i can do damage wise on COR, but I'm not foolish enough to think I'm making a huge difference in outcome because of it. After seeing so many half ass COR's be successful in VW, its clear that uber COR"s are not relevant in the eyes of the Vanadiel population.
So this scenario only applies to COR, but doesn't apply to DRK WAR MNK SAM? >.>
I'd say it's exactly the opposite, in a bad PUG pt, COR will have higher survive-ability than other type of melee DD doing same amount of dmg, that if you change that pimped out DD from COR to other job, you will more likely to die first and deal even less dmg.
Simply because WF is ranged WS, you can WS outside of AoE range and don't need fana until you pulled hate, so your fana actually last longer. You also build hate a bit slower due to WF additional effect. Change COR to a melee, you need to use fana right from the start, the moment it wears is the moment you will die. In fact, according to my experience, a VW pt with bad proc is usually the pt where COR parses higher, often beating melees, where all procs are smooth and fight ends in 1~3 min, is where COR falls behind melees.
If the pt is pimped out, then "you're not contributing a lot of % in entire ally" can apply to every job, when everyone is contributing, and ally has 7~8 DDs, of course each individual has smaller % in the group. You may as well tell everyone don't spend gil on relic/food/STR+7 ring etc because other DD in pt can do the job and you're just that small 10% in ally. You're not going to wipe without a relic/+7 STR ring/ and so on.
In fact, out of all the event ever exist, COR has pretty high % in VW ally on majority of VW(except a few) compare with other events, just because of how VW works....favors high WS dmg job with all the free TP, and many mobs weak against WF. If you tell me COR has low % in legion/ADL, I will agree with you, that you can go naked on this job and get the job done, while dmg irrelevant. But VW? COR is actually pretty close to real DDs in VW in terms of %, that invest in atmacite will greatly help your ally. I don't deny that a very well geared elite melee will outparse COR with enough haste, but the gap isn't as big as none-VW event, you guys sound like melees is doing 20% while COR doing 5%.
If you don't believe it, you can check here: http://pastebin.com/d4anjFp6
Maddening+seductive parse, I did 13% on COR total, 3.3k WF avg. Changed name of other ppl to protect privacy. Just to be fair SAM was holding another NM, and Rag 99 DRK was proccing, thus has lower %. Otherwise DRK would parse higher, doesn't mean COR is THAT behind like you make it sound to be. Say if atmacite makes 30%~40% difference, you will lose 30k+ total dmg in entire ally, which is by no means small %(bigger than 1%, lol).
In an event when fight ends fast: http://pastebin.com/zZiCN5z8
Seductive end in 3:18, this is done before Arma 99/new staff added, so WF avg wasn't as high as now. But still 19% in 3 min 18 sec fight. 30% of my individual dmg would worth about 5% in ally. SAM holding another NM again so SAM's % doesn't count.
And just in case you're wondering why I always post melees losing, to be fair I can post melee winning one too. http://pastebin.com/nRQ1QtU5
Same pt setup as previous one, but Maddening BC, end in 1 min 45 sec(end when I just start to engage), I didn't do very well, but my individual 30% still worth more than 1% in ally.
Another one combined all 3 BC http://pastebin.com/6APYEwFr
Again, my 30% is worth about 5% in entire ally, so does other fight I posted. I don't know how pimp the DDs you pt with, maybe much pimper than DDs in my ally. But personally I think atmacite upgrade for this job is well worth it, unlike majority of other atmacite in this game, gives much dmg boost in entire ally than majority of other gears worth this much.
Personally I wouldn't say COR dmg is THAT irrelevant in VW.....I agree it's much more irrelevant in legion, ADL, w/e other event, but just not VW, this event is MADE for DD COR, and there are little reason not to upgrade it if you do VW on this job. Especially in OP's case, he already had enough cruor to upgrade above mentioned 3 atmacite, and instead of upgrading proper atmacite to help his ally more than 5%, you'd rather suggest him to NPC it(which takes quite an effort to do) to buy what? Another gear/relic that may get outdated when new expansion out, and unlikely to give 30% dmg boost nor determine wipe or win?
Seriously, can we just back to OP's question already and stop telling him(and other ppl intend to update atmacite) not to do it.