“They’re shooting themselves in the foot,” Mir says. “The content of the users is what makes the platform worth visiting. These hosts kind of run into this confusion that their hosting is the reason people are going there, but it’s really for the other users on the medium.”
Except that it already has been. They’ve already scraped it, and can refer back to either the archives, or just scrape Reddit like they do with other websites if they want to pull more information.
They didn’t pay before, why would they bother paying now? Worst case is that they just exclude Reddit (like they did Twitter), and train from other sites instead. It’s no great loss.