It doesn't really matter, in the sense that I wouldn't want to be in a game where I would consistently spend 95% of my time healing. I have no issue whatsoever when a specific party needs that, but not if all encounters and the job design do so.

That was part of FFXIV's appeal, as well as other games where I had a healer- I had specific encounters that I had intense periods to heal through however I also had the flexibility to contribute in other ways. I wasn't locked into "push the health bars to the right".