I think most people on Lemmy would agree that private planes simply shouldn’t exist, at least on a personal use level. I don’t actually care at all where these rich bozos are going, but the ability to shame them for their method of travel outweighs any potential privacy concern. Airports are public places, airplanes (were) a matter of public record. If they truly want privacy, they should find an alternative means of conveyance. If they absolutely need to travel incognito, they could just charter a plane, for Pete’s sake.