Exactly. I don't want to mess with anything, I want an appliance that plays games. I don't want it to do anything other than that either. It must work every time, with every supported game, and have no manual maintenance.

Consoles are also just generally more ergonomic for normal adults: they're built so you can inhabit your primary living space, around other people, on a couch, instead of being a bedroom-dweller sitting at a desk.