Elon posted some info[0] that gives it some context: "Last night, car carrying lil X in LA was followed by crazy stalker (thinking it was me), who later blocked car from moving & climbed onto hood. Legal action is being taken against Sweeney & organizations who supported harm to my family." Make that what you will. [0]: https://twitter.com/elonmusk/status/1603190155107794944
The flight information that twitter account was using is publically available and required by law to BE public. https://www.vice.com/en/article/n7zygg/twitter-bans-elon-mus... "Sweeney has been using sites such as ADS-B Exchange to track the movements of private jets blogging to celebrities, tech billionaires, and Russian oligarchs for years now. By law, the movement of these plans is publicly available information.…
> Musk has also apparently requested, via the Federal Aviation Administration (FAA), that his plane not be tracked on third-party sites like FlightAware ... “This aircraft is on the the FAA blocklist meaning it is not allowed to be displayed to the general public,” a FlightAware spokesperson said in an email to Motherboard. “This is something that all 3rd party trackers do usually follow as a list is sent out every month."