I main SCH and I do like playing Nocturnal AST in some fights just for the sake of replayability and learn how I can beat them as a different job. Nocturnal is not weak, its just harder to use and feels weaker for being a "WHM-like shield healer"... if that makes any sense for you guys. Often I like putting the WHM on damage dealer situation because I feel we benefit more from than just like SCH usually benefits more as a damage dealer with any other healer partner. But it all comes to what you wanna do in the end. I know Savage parties that run SCH today as the lead healer while his partner throw off some offensive spells. All healers have the capability of being the lead healer today if the partners are in sync enough for it.

Isn't healing wonderful? What kills it is that metagame mentality from 2.0 that is still strong on the cummunity for 3.0 content for some reason.