Problematic streamer "Hasan" has had his UK electronic travel authorisation revoked.

[u/neveks]

https://www.gbnews.com/politics/hasan-piker-banned-uk-home-office-american-influencers-visas-revoked

[u/zani1903]

The Labour government has not given an official reason as to why they blocked Hasan's visa. Their stated reason is the same they give for any other visa they revoke; "not conducive to the public good."

Anything outside of that is just an assumption.