A) there exists content where healer is not around, or when is they arent doing a good job.
B) the 4s mit button does not feel very impactful, especially when its gauge based. It would make sense from job fantasy standpoint, resolve from holding your ground and all.
C) other tanks have meaningful/sustainable healing buttons at the level range
Just now had a stone vigil roulette where the healer was running their mp to the ground with cure III and medica, not casting regen at all. Had i not slept mobs when paladin tank died, it would have been wipe.