Just as in politics, you only hear the extremes. There are a few nuts out there. But most, on both sides, are logical folks who just love great football and are passionate about their team. Don't let some 35 year-old jerk who still lives in his parents' basement, never had a girlfriend, and who makes wild claims of "hitting Mark Ingram with an 18-wheeler" ruin it for you.
These fringe lunatics certainly make themselves, their fan base, and whatever mental institution they managed to escape from look bad. Delusions of grandeur is a sign of a schizophrenia. Let them bask in their own delusional state. I doubt any of it is true.