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.