Comment: It is typical of charlatans

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In reply to comment: This is about math, not men. (see in situ)

It is typical of charlatans

... to claim that anyone who dismisses their ideas is being closed-minded. That if only these people would open their mind to the possibility such-and-such could be true, they would finally see the truth of things.

This is a fallacious position, because it denies the possibility that people have examined these ideas with a rational and open mind and subsequently dismissed them. The blind proponent assumes that anyone who dismisses the ideas, for whatever reason, had a mind which merely wasn't open enough. The implication is that they should keep trying to understand until they agree with me!

It's a commonly, and unfairly, applied tactic also used by those budding physicists on web forums who claim that relativity is bunk.