I’m on iOS 17.1.1 using Safari. I also have Proton VPN enabled in the states but if I try to visit any page on the website I see this:
If I disable it, the page will load.
Edit: as per a comment, this may not be a VPN only issue.
Additional edit: Reddit has written an official post stating it was an issue after production code deployment and was reverted
In their mind the issue was not the blocking of users, but that the users have started complaining. I bet they just reverted it so that they can bring it back slowly, after just checking whether it is effective at all