We’ve all seen the video of that woman freaking out because she had to sit next to a fat person, we’ve seen video’s of passengers acting a fool on the planes and in the airport.
My solution is that every airline in North America agree to create a board where they each have equal numbers of representatives, give all crew members body cameras and when an incident happens or when a passenger refuses to follow instructions they can create a case with the board, they look over it and they vote if a majority votes in favor they can then decide for how long they’re blacklisted from flying including for life. This should also be done with trains and busses.
They’ll share within an airport between each other. It’s not nation wide or anything though.