The fork button exists for a reason…

How do you go about finding and joining such a venture

There’s no fullproof way. Even if you somehow block every crawling automation, there’s still puppeteering where the bot behaves just like a normal user.

As someone who works for a paywallled website, that’s hardly a deterrent. If the site is important enough, they will pay for accounts and crawl until the server melts

The problem is not the functionality, it’s the business model.