Earlier quoted context omitted.
No, it was necessary to reframe the constraints of what can be done designwise. Idle speculation about the design of how it could be done that is wildly outside both Notch's abilities and the allocation of people on his team he plans to put towards it (zero) is pretty pointless.
You realise how much money they've made from Minecraft yeah? If he wants cutting edge virtualisation technology he can no doubt pay for it (if it'll be fun, and he definately has an intuition for what is and isn't fun)
That's kinda my point, coding ability didn't limit his ability to delight people.