Probably the UK's strategy to prevent the Chinese from brain-washing you.

Censored by whom? It works fine for me on Virgin Media

O2. They censor a really odd selection of stuff.

Sorry, O2 is censoring "political material" in the UK? Are you kidding?

They have been for years, and the list of what I can't browse on 3G only ever grows.

So censored by one network then, not all the UK.

No, but it's the same filtering setup as they're planning on applying to all the networks, so there's little difference in the grand scheme of things.

https://pbs.twimg.com/media/BUhIcj8CAAAfQEX.jpg:large

Fine on BT UK, too (see sibling comment).