If Our wealth was available to all of Us, what would We be competing for?
Bragging rights.
Attention in the breeding game.
World renown.
Any number of things worth competing for outside money.
We could stop exploiting our neighbors' inabilities, though.
Well, yes, We will compete for social currency, that rather is My point - We won't be couch potatoes, but You make it sound as if that is a problem. I suggest that, quite the contrary, that is a high advantage.