Yes she can, she can also afford a private jet to fly her around. Not sure what your point is.
Choices have consequences. She chooses a private jet that will have an ADS-B transponder that will thus be linked to her travel. That’s just how it works.
And you are complaining she faces violence threats. My point is, she can easily mitigate them.
Private security ain’t gonna do much in a sealed tube 10k feet in the air.
Stalkers aren’t going to do mush there, either. What danger do you think she faces in the air?
Such as?
Fly commercial. Much harder to find when you could be on any of dozens of flights. Also, she could charter different jets. People might still find her from flight plans, but it would be much harder.