I see news articles about Starmer wanting to ban X for allowing deepfakes and sexualized images of children, which seems reasonable to me. Presumably if X took steps other companies have to prevent those images, the ban would be off the table.

https://www.cbsnews.com/news/uk-x-elon-musk-grok-ai-sexualiz...

As for T. Breton, it seems they're wanting X to abide by the EU's Digital Services Act, which requires transparency in how a company tries to combat disinformation among other things (protection of children's exposure to dangerous content being one of them).

https://www.euronews.com/my-europe/2025/12/24/us-visa-ban-ta...

I still don't see where the Iranian protests or regime change there would factor into this.