We can debate the legitimacy of the idiot callers on radio shows until the cows come home. But, when you can verify that they exist in the real world when you actually see them and speak to them - that really scares the crap out of me.
I can attest that there are people just like this caller who are real, have the same misguided ill thought out theories, share the same intelligence level of freshly thawed fish stick and if they can read probably get all their news from check stands rags like the National Enquirer.
They vote, they breed, they mooch on social systems and expect to be catered to because they are owed or deserving. Be afraid......