Earlier quoted context omitted.
And you thought that the MPAA tracking torrents was bad... now not only are you seeding potential copyright infringement (I don't know what the license actually is), but you might now also be circumventing arms control laws. That is a whole level of legal hurt that I'd rather avoid. You might not be able to stop the signal, but I'm pretty sure Mr. Universe still died at the end of Serenity.
http://download.mozilla.org/?product=firefox-20.0&os=win... That file didn't exist in 1995, but if it had, distributing it outside the US would also have run afoul of arms control laws. Technology changes, and laws change with it. The laws, almost without exception, lag several years behind the technology.
So, really, the law makes more sense here.