Even though LemmyNSFW is outside of the UK the admins of any instance will be responsible for verification of UK users because of this law. This is why .zip (Lemmy and PieFed) have geoblocked the UK. It’s a lot of work and responsibility to take on.

Here’s the post from Demigodrick explaining this situation better than I can.

Important News - Geoblocking of the UK

There’s also this article from TechCrunch.

Grok 4 seems to consult Elon Musk to answer controversial questions

They tried it out themselves and have reports from other users as well.