I haven't seen much discussion in defense of Reddit protecting their content from LLM training competitors. This to me is why they have to crack down on their API, it's no longer just SEO links back, it's training someone else's models on your content and community for free. This to me is the elephant. It's horrible how they treat their app community, but this is a massive problem for them.
Even if we ignore the idea of just scraping the site, how much would it cost an API user to grab most posts just once? Is it actually enough to stop anyone?