(The only real alternative option is that it's spoofed ADS-B transmissions, which is way way more likely to mean jail time for whoever was involved than a few extra tons of jetfuel and an un-management-authorised mission plan uploaded to the nav hardware would result in...)

(It shows on other ADS-B tracking sites, so it isn't just some FlightRadar dude having fun or getting a kickback.)

(Actually, there's a _very small_ possibility it was a large enough group of pissed of ADSBExchange feeders who all collaborated to use their gear to send spoofed data to the various flight tracking services? When some guy sells out an "open community" for $20mil, trolling the entire industry isn't a super surprising result...)