Attorneys for Taylor Swift are threatening legal action against the Florida college student who tracks the private jets of celebrities and public figures, including Swift.
I'm thinking since the super bowl drama she's probably getting more death threats than usual, and this is a reaction to that. It's not going to work. You cant sue someone for publishing publicly available information.
You can sue someone for anything. If it will be successful or not is another matter.
Essentially she is trying to SLAPP him (Strategic Lawsuit Against Public Participation). Lawyers are not free in civil cases. She is just making it expensive for him if he wants to defend himself. And i doubt Florida has an anti-slapp law.