Stupid people should be banned from races--they shuold be blacklisted from all races.
I just RDed a race, which also had a kids race in it. We had the kids race before the main 5/10K. A few days before the race, I sent an email to ALL parents who registered their kids and explicitly told them that they need to have a parent or guardian with the kid if the parent(s) plan to run the race.
Well this moron mother ran the race and left her 7 and 10 year old sons behind. One of them wandered off, leaving the other boy crying. Mother gets all frantic and our 3 EMTs and a volunteer got involved and then had to call the National Park Service to send out a ranger. Naturally, I prefer not to make the race look bad in front of the agency (NPS) that gave us the permit. The boy eventually showed up, but I never want to see this woman at any race I RD again. Fucking idiot.