It's because he is so unorthodox, no one knows what he's going to do. He certainly has that x-factor.
He looks a real bargain at 13 million now, doesn't he? Best goal to minutes ratio in the league. Had he played from the beginning of the season, he may well be close to top scorer in the league. Incredible when you think about it. Have nothing but praise for the guy. He's proved many of us wrong.