We definitely disagree there. I think being good at everything is one of the key definitions of overpowered. Being good at everything and defining one job as "the smart one", thus hogging basically all future design space is oppressive to the role.
Did they? They nerfed the crap out of Scholar and AST, then buffed AST again. WHM wasn't "brought up" anywhere. It's still the worst of the three healers, still brings nothing unique to the table, still has effectively no identity other than being the dumdum class for babies.
Seems with all that shuffling around and nerf bat beating they did the overall pecking order changed little for it. Despite all the bellyaching Scholars do about their job, they do still have ONE thing going for them- they're STILL more meta than trashcan WHM, after all of those ridiculous nerfs.