Everything the same = no innovation

Also, who would own the rights? It's bad enough with Apple vs Microsoft vs Google etc

If one company owned the hardware rights (Intel say) then there's no way there'd be core5 chips now. They only plough money into development to keep the competitiors at bay.

Similar for software. If the idea is to make it all open source, there'd be not enough money in it to do development either.

Lose/lose in my eyes. Market forces may not be ideal, but at least it drives change.