He is a TV personality. How he acts on Top Gear could be radically different to who he is (I doubt this too). The facts is, the series sells and people watch it. Who doesn't hate the TV licence? But what can we do about it?
Turn your TV off and read a book.
Even if your TV is off, you still need to buy the TV licence. As long as you have a device capable of TV program reception on the premises, it is mandatory