I don't think the watchlists really do anything. Checking your ID against the boarding pass is just yield management for the airlines. (Compare the cost of a

I don't think the watchlists really do anything. Checking your ID against the boarding pass is just yield management for the airlines. (Compare the cost of a full fare economy ticket 45 minutes before the flight to what some desperate person would sell it to you for, knowing that they either use it or lose it.)