Rate limits, blocking, and pay-per-use are the only roads out and even those might not last as models get better at hacking and masquerading.

The internet we want to use LLM's with is simply not one that can support LLM's, and with LLM's not going anywhere, the whole experience of the internet is going to be forced into some radically less open and more expensive paradigm.

Policies like this just represent the beginning of the transition.

Except it's non-commercial, therefore valuable, therefore commercialized, therefore commercial.

You'd need a force strong enough to prevent it from falling prey to this tragedy of the commons, and that force would need to be stronger than the incentives to commercialize it. And that's where plenty of contemporary scraping-based salaries lay.