“As with a number of other things, you know nothing about aviation, i.e. don’t know what you’re talking about.”
I go offroading all the time. For Swift she can stay under FL180 until she hits international airspace and then go where she wants to. This is nothing new.
Unless you are in a gen 9.0 stealth aircraft by cia, dod, deepState, and/or wef, you have as much chance of privacy as if on the internet with your IP and full name/dob.