They won’t until they are facing down the barrel of a gun.
Tyrants never see the writings on the wall until they are overthrown.
Routine drug raids with MRAPs are just "training ops."
Literally true, in the case of Romania. The Ceaucescus were in the middle of a Communist Party "mass rally" when the mob of revolutionary people showed up and broke it up. The Ceaucescus didn't just flee the public space, they hauled ass back to the palace and then took a helicopter out of there, just like Saigon. The People caught up with them a couple of days later, and that was that.
Madame Ceaucescu went out with her mouth open, still barking orders at her executioners to release her and her husband immediately.