A personal attack is committed when a person substitutes demeaning or insulting remarks (even when expressed with such niceities as "I don't mean to offend but") for actual evidence when attacking another person's claim or claims.
This line of "reasoning" is fallacious because the attack is directed at the person making the claim and not the claim itself.
The truth value of a claim is independent of the person making the claim.
After all, no matter how repugnant an individual might be, he or …
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