That's just meta changing and people gonna complain because their OP heroes haven't got more OP stuff in every aspect.
Tanks are good, have significant power up (literally any tank)
Casters have good powergear also (Void is so much better compare to c+1, as any other power caster).
Agile hero (physic dps) lose their dodge but gain HP.
It was before on orange tiers btw where some heroes had high dodge and then lost it too.
I still have my DM on cyan and he won't go anywhere untill he gets some expertise but somewhere further on promotions or won't be too weak to use.
I also don't think that +90 expetrise on my DM will do any good for game balance moreover making it even higher.