Not that Arrington itself did not have it's problems, though.
Other big winners were Sarah Lacy saying that old media is dead and no one wants to be a journalist at WSJ (how did that turn out btw) or other random bouts of idiocy (RSS is dead!)
Frankly, Techcrunch has long been a source of tech trolling. For trolls, by trolls. Its no wonder it went under - the sugar high simply ran out.