Not because Nadal win all the time like the 11 years old op suggests but because it's where the talented strikers (the most entertaining tennis players) struggle the most due to the fact that their talent/touch is nullified by the fitness and the consistency of some claycourters.
Hey, what's with the insults man? I just stated one of their reasons why clay may be the most hated surface. It's not my opinion, but others do agree that blind hate for nadal has ruined clay.
Be civil as the other posts are. If you can't, it will be a better idea not to post at all.