"Capitalism has proven to be great at fostering innovation"
I don't know if I buy into this one any more. If anything the need to make rent seems to get in the way of creativity and innovation more than anything.
The people I admire most, who have done the most amazing things hardly ever do it for the cash money.
What I *can* say is that having currency and markets aids in the distribution problem. It's a somewhat stable way to operate.
But, for motivation? It's broken.