You want it both ways? It both is exploitation and motivates “people” (?) to be hyper productive?
Those people just need to violently exploit people to be “hyper productive”? They can’t be “hyper productive” by way of their own bodies?
But it’s fine by you. Parasites are after all part of the natural world.
demurrage currency otoh is probably worth looking closer at IF a way to build an equitable two-tiered system could be developed. Perhaps corporate money would be demurrage , with personal money that has passed through a tax window stable.