All comes back to money. Can't have the Brady's, Manning's, Rodgers' of the league out for an extended period of time. Goodell is a joke, but all this can't be shouldered on him. Owners and management have just as much of a hand in it.
Bruce Pearl says, "Breaking rules, lying about breaking rules, then continuing to break rules? Hey man, take it from me, that shit can get you fired!"
payton got screwed, but i'm not sure the nfl had much of a choice. they can't claim they care about player safety and let this go unpunished.