Yes, they do. Indirectly.
One thing that not everyone noticed is, our healing barely went up from 70 to 80. Everyone has half more health, enemies deal half more damage, but our healing is still about the same.
Another thing is, defensive/survivability cooldowns got wiped across the board.
Convalescence, Anticipation, Awareness, Eye for an eye, Largesse, Protect. Additionally, PLD lost Bulwark, SCH lost Rouse and AST lost The Bole.
That sounds like a lot of lost mitigation to me.
Heals are weaker, tanks are squishier, and we both lost several tools used to make healing easier.