I wish Graham Norton would stay silent on who he thinks should go, especially as his show comes on straight after BB. And he obviously has inside information about the show's content from the production team.
If Jon is evicted it would indicate that there isn't a place in the BB house for a variety of different personalities. Only the wannabe, attention-seeking kind.
Jon is obviously not in the show just to get a five-minute guest presenting slot on TV Travel Shop, or something like that.