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
If they want to block any mildly odd user agents, it’s probably to prevent webscrapers so they can force AI companies to pay for their ridiculous API prices