How does it 'work'? From where I stand he thew a bucket of shit and didn't mind the fan. He didn't mind the gap between the platform and the train and fell on the rails, no? He painted idiot on his forehead. He clearly uses a manner of echo location to navigate his way. He yells 'you're an idiot' and when the echo comes back from the people around he knows where everybody is.
That works because liberals assume conservatives are conducive to reason and thus expend effort reasoning with them. Thus the "smart" conservative will do as you say, with these threads as proof it works.