Profit maximization is a 'clean', strong forcing idea, i.e. one that allows for the abstraction from local context. It binds human actions together in a social structure that proves very hard to disentangle. Communal welfare cannot abstract from life in this way. The internal motivation hinges on local outcomes and thus erodes, leading either to societal collapse or suppression, which represent more primitive forcing ideas, namely following orders and immediate survival.
Commercial Break

It's time for a short commercial break. Get comfortable in your chair and watch the wonderful products. Don't believe the communist propaganda that commercials are made to seduce people into buying stuff they don't need. Commercials are essential to life and without them even the most basic human functioning would be unthinkable, we would ...