Lets generalize the concept of ElonJet , are we ok for apps disclosing localization of anybody main vehicle? e.g.: the localization at any time of the day of your car? or let generalize more: your localization at any moment of the day or the localization of your underage son or daughter? For my case I wouldn't like that at all nonetheless the fact that I am totally unimportant, and I don't see people that frees that data in the open without permission of the tracked ones as users of free speech rights...
you can't generalize it because one is made public by FAA regulations and the other is not; the argument, if there is one, is whether FAA should require that information to be publicly available or not, not whether someone republishes that information on their Twitter account