SE must be drunk.

[Sarcatica]

Player developed metagame focused on pushing for more tank and healer dps rather than tank survivability and healer sustainability that puts more weight on Crit/Det/SkSpeed over Parry as secondary stats.

You make it sound like these players ignore survivability but it's remotely the main issue. Auto attacks from boss hit like wet noodles that healers only have to top up tanks within 3-4 GCDs. This makes it the most efficient play because anything more is a waste and better off tunneled into another metric that matters. Autos are the real reason why metagame is as such. Imagine if 1 auto hits for like 1/4 of your HP, your healers will have to take care of you more.

Raid wide aoe damage is fine atm, healers will still have to showcase their ability to top up their team from back to back raid wide aoe dmg like Photon into double Whirlwind for A11S or Incinerating Heat into double Mega Holy and Incinerating Heat into Holy Bleed into Mega Holy in A12S.

So the current issue is just on how lenient tanks get punished by autos.