Cloudflare trying to stop AI crawling somehow!
Yeah, it's only anecdotal but I feel like hobbyists like us, who do slightly unusual things without nefarious intent, who are the ones who get hit with these sorts of issues the most. For example, I've noticed that some websites start throwing captchas at me or even just straight-up refuse to load with 403: unauthorized errors because I have my router set up to load-balance across two Internet connections. (At least, that's my guess as to why it's happening.)