Thanks @Liam_Harper, pretty much as I thought.

Quote Originally Posted by Hash_Browns View Post
This is because in EX content & Savage content, healers & tanks both need to pull their weight and deal decent damage for their respective classes.
I thought the encounter design team stated multiple times that healer DPS was not a factor when designing the bosses.
Tanks may be different though, because they are essentially blue DPS with a few extras.