Pithy but what alternative(s) do you propose?
STL is a good example of why WN does so well while UA does lousy. When you book a WN flight you are guaranteed of stepping on a 737. On UA, regardless of your destination you have a less than 5%...
Don't overlook United Express. As bad as the mainline performance is, the drop-off the UAX is precipitous.
Who ends up being punished? Potential passengers? Employees? If the intent is to deprive them of revenue, why not fine them?
You were forgiving of the time I'm sure you had to spend, first, waiting for a bag that didn't arrive and, second, completing a delayed bag form.