sundin13 on 15 January 2014
As someone has already likely said, its because the games are made by HAL who pretty much only makes Kirby (and helps out elsewhere now and again). Kirby is HAL's baby and it brings in the dough so why not make kirby games? You said that they could be doing other things instead of kirby in the OP but they have yet to prove themselves (other than Smash Bros which I would say is more Sakurai than HAL)
