People are finding different uses for aircraft tracking data.
Where there’s a jet, there’s a data trail, and several “alternative data” firms are keeping tabs on private aircraft for hedge funds and other investors.
More power to them, and I am glad that my freely supplied data can make them money.
(Wow, that sort of sounded like a load of scorn… hehe).
Also; https://dictatoralert.org/
and; https://www.jettrack.io/