In other words, you don’t have a plausible scenario - just a highly improbable hypothetical that some angry mob would be foiled because nobody would know about flight tracking websites or think to watch his offices.

It’s also very telling that his acolytes think this ineffectual attempt at protection justifies restricting speech but someone who actually incited a violent attack against the U.S. system of government should have their platform amplified again. If we’re concerned about violent mobs, wouldn’t you start with the people who’ve actually led one?