Second that is not really the opposite of what I was saying, because it was acknowledged (I'm sure) that the dungeon would be more difficult for people without all r40+ abilities, it was
balanced I'm sure for them. Most likely the test groups which ran the raid did so with a GLA, PUG, LNC, MRD, ARC, CON, CON, THM setup (wasn't that in the video they leaked?). I just think it was balanced around a much more difficult strategy than the one made popular and employed by people with multiple r40+ cross class abilities (and with setups more like 3x Archers, 4x mages etc.).
What I'm saying is the balance changes had come first, I don't think we would have been as apt to negate so many important (mainly ghost related) encounter mechanics and use stacking. I can't know this for sure, but I like to think that at least this wasn't intentional/will be addressed by the battle changes.