Okay real question: what if heroes like Holliday/Calico/Sinclair aren't busted but everyone else is underpowered? Why wait for the powercreep when we can have it right now?
What if this game went DotaImba route like, well, Dota2 did and we got only insanely powerful heroes from now on, with everyone else being brought up to standard? Would this improve the game?