Funny. I have the complete opposite stance. If you are playing with a group of optimizers. Stone Sorcadins, Bearbarians, Bladesinger Mystics etc. I would very much boozt this feat so the Heavy Armor fighter has a niche. Remember that killing you enemy fast is usually the best tactic and PAM, GWM and Sentinel is usually top picks for this. So why would anyone take HAM when they can destroy the game with those other feats? I say boost HAM. Especially if you are plying with optimizers.