> They can't even speak freely about the horrible crimes being committed in their nation by grooming gangs.
Unsure what exactly you're referring to, which might be ironic, but there's lots of news reports about grooming gangs, as well as the surrounding controversy and debate around ethnicity and political correctness see: https://www.bbc.co.uk/search?q=grooming+gang&d=NEWS_PS
Many US companies won't capitulate to these regulations. The UK is going to simply be cut off from many social media services.