At least Florida’s SB 868/HB 743, “Social Media Use By Minors” bill isn’t beating around the bush when it states that it would require “social media platforms to provide a mechanism to decrypt end-to-end encryption when law enforcement obtains a subpoena.” Usually these sorts of sweeping mandates...
Not even just PGP, there are so many options! XMPP with OMEMO that now comes with all the mainstream clients, Matrix, Simplex… Veracrypt for files… Although indeed, PGP has the benefit of you being able to just copypaste the output into whatever chat box you’re currently using.