More money allows production to use more resources. Even altruists need prices. Prices signal how much people value certain goods, and ensure that the goods' production get the resources warranted.

A good's value is the future rentals' discounted present value. There is no value-based moral contrast between renting and owning capital (explicitly excluding land)

Without prices, how do you make resource allocation decisions?

Prices are not capitalism; some anti-capitalists were in favor of them