This is like claiming there's no risk/reward. For negligent upside and exceeding risks, they might choose not to. If most chooses not to, the propagation path remains limited, as currently. These are just possible scenarios, you might be correct to bet on human greed.

One does nit have to call it greed. But it is the best bet, that a majority is intrested in a working businessmodel. And inclusive businessmodels offer more opportunity than exclusive ones.