Do they even need the T&C to say that? What if their T&C just say something like: "It's illegal to use in the UK, but we don't care if you do it anyway because

Do they even need the T&C to say that? What if their T&C just say something like: "It's illegal to use in the UK, but we don't care if you do it anyway because we have no offices there. Use at your own risk."