That's just stupid... Maybe it's because most tabs include lyrics? I can't think of anything else. But lyric sites aren't illegal, are they?But anyway... Most tabs on the internet are worthless. A lot of them don't even come close to how the song should be played.
http://news.bbc.co.uk/1/hi/entertainment/4508158.stmi heard that many tab websites were closing down due to copyright...just found this article about it...[...]...i wonder if they will be closing them all up..?