3 reasons.
I really don't rate him as a singer. There are hundreds of guys like him on the gigging circuit and Myspace. His singing style is too shouty and indulgent for me. A loud singing voice is not enough to give me goose bumps. He just doesn't have the X Factor in my opinion - he just can carry a note. However, he CLEARLY thinks he's god's gift to music and when his songs lapse into crooning, I just want to turn off.
Secondly....his attitude to other contestants. I don't know if Katie was the fall guy in covering up the alledged affair with Grace but I simple "It's not true" would have suffied but he chose a rather spiteful rant against her instead. And I don't even like Katie. Now Lord Loaf as apparently cheesed him off. He behaves like it's his competiton and everyone else is a nusance. He doesn't come across as a good competitior, more a spoilt brat. The X Factor is disposable Saturday Night evertainment...and yet he doesn't seem to grasp that andtreats it like it's a NME battle of the bands.
Thirdly - he appears to be mis-representing himself. Coldplay and Radiohead came from very comfortable backgrounds and private schools yet never had a pretend to be lowly painter and decorators. It's like he's denying who he is in order to claim working class musical credibility or to somehow complete a fictitious "journey" about an Essex painter come good. In other words...he's false.
I'm not a "hater"...I do have money on Matt to win (as well as Wagner and 1D) but he almost makes me as a viewer feel like I should be luckly to be a spectator to his divine talent..so I can't warm to his voice or act. I'm sorry...I've tried to like him but just...can't