I got locked out of some websites by Cloudflare Turnstile on some very standard configurations, like an iPhone on Safari, or a Windows 11 desktop with Firefox or Edge, neither with a VPN on. I never found out why.

Well… I know plenty people in my circle affected by this. Just have a slightly outdated system you simply can't afford to update: it's way to easy to get cut off like this. IMHO, a rather systematic discrimination of poorer people.

There are dozens of us :)

In my experience what really makes it loop every single time though is JShelter. CF doesn't like having your fingerprintable data bits messed with.

There are legitimate uses for non-instrusive, ethical and legal scraping, but some of us have had to resort to extreme measures:

https://roundproxies.com/blog/bypass-bot-detection/