I'm not aware of 1 and 2 being reported anywhere. As to 3, I've already addressed that. Yes, it's the rule, but there's zero reason for it to exist.
Again, for no reason. For example, other students at Iowa or Iowa State, even say a football player's girlfriend, would be free and clear to make bets on the respective football teams with the same or better access to that inside information. Finding information to find bad lines is how truly successful sports bettors succeed.