I don't know about "hate" cause I just ignor those people. They're just hoping to stir something up, cause a ruckus, rouse some rabble, make some trouble, stink up the place, wipe their dirty shoes on our nice, clean rugs, ...um, that's all I've got.
Someone eating a sandwich?
EDIT: It appears I took too long coming up with metaphors. Curse you ninjas!