So ban those businesses from operating in your region. Don't pretend that Ofcom can regulate the content that is viewed around the world just because you're upset about things in your country.
I bloody wish I could! Sadly, these things aren't up to me, and the companies involved would probably pay more bribes to your gangster president to get him to sanction our economy if we tried.
The US has great relations with many countries that ban AirBnB or Uber. The reason they operate in your country is because the people in your country want them.
