Originally Posted by
Allegor
From memory, the only normal-mode fights that target healers specifically are Lakshmi, that one Alexander fight with the cages, and technically E8 when the party is split in 2 with a healer on each side. There's also a handful of dungeon bosses like Ilberd, but that's about it.
Literally the main reason healers are still "necessary" is because the duty finder says there HAS to be someone with a green icon in the party, otherwise, I'm fairly certain RDM would be the most popular "healer" in most scenarios. They just need an aoe heal (Vermedica?) or a regen added to their bubble and voila.