100%: There's no way you could ever understand me if I were trying to say something complicated. I'm much too intelligent. I have way more mental firepower than you do. I'm a very complex thinker, and you just can't keep up. Proving it to you would be a waste of time. It's just hopeless anyway.
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If communication isn't working, sure, it might be a comprehension error. But...it's rarely only a comprehension error.