Don't laugh years ago when I was working at KSEA I saw an Aeroflot IL
-62 nearly clip a hangar as it dove out of the low ceiling missed the runway changed its mind and ran a missed approach.
The problem the pilot did not speak very good English and got lost over Seattle did follow his assigned heading or altitude. And then once he finally did land nearly clipped the tail off of a Citation III that was on a taxiway and had the right of way.
This is no joke and ugly things can happen without regulation.
What would it be like?
Well I'd put a lot more miles on my truck. . .