i read a headline like, "Jewish agitator screams 'Gas The Jews' and then everyone else gets arrested for it.
this is the playbook.
Remember, the very first thing the Bolsheviks did when they took over Russia, was to pass hate speech laws, to shield themselves from any criticism as they killed ten's of millions of Russian Christians.
presumably it should be obvious to the 3rd party observer, once he sees it for himself. i suppose if you stare for a while, and don't see anything interesting, then you simply assume the other guy is crazy, and seeing things, and so you move on without striking up a conversation with a mad man...
one day i was standing in line at a convenience store, and i noticed some people staring at the ceiling. and so i started to look at, whatever it was that they were looking at. and one of the clerks even chastised us for staring at the ceiling and drawing even more attention to the problem.