For an example of how itch.ai could have acted, check out this shitty ai chatbot site: https://janitorai.com/
They got hit by some some impossible-to-implement requirements by UK’s online safety act. What did they do? The said, okay, were not going to comply, and instead choose to loose UK access, (England, Scotland, Wales, and Northern Ireland). And they also put a GIANT BANNER at the top of their site, to inform their users.
Here is how janitorai.com informed their users: https://blog.janitorai.com/posts/3/
Here is how itch.io informed their users: https://itch.io/updates/update-on-nsfw-content
Notice the differences in language. One is a radical protest, the other meek compliance.