If people can't get paid to pay their rent and eat to write and support code, how is it relevant what the consumers of the code freeriding get? If the AI machine requires ongoing fuel to improve, they can pay for it.

https://en.wikipedia.org/wiki/Free-rider_problem

They don't get paid to write more of it, but maybe we had enough tailwind and invisible boot of market is giving those people a gentle kick to force them to do something else.