They're not flying the jets anywhere near the limit on airshows. For one it's just not safe for the public. And secondly no one wants to reveal the actual limits to enemies.
And yes. I think it's entierly possible. Seeing as she's taken her jet for a whooping 40 second flight just to get from one side of LA to the other.
I didnt say they were good or bad. I said why they exist in the first place.
If you came to the conclusion that makes them good, well that's a journey you took all on your own.