I started to be snarky and post this to a particular thread that was annoying me. But I thought twice, and will post it here, in a vacuum.
What's The Best Logical Fallacy?
A famous Logic professor told me the Appeal to Authority Fallacy is the best.
Anyone who doesn't say the Ad Hominem Fallacy is best is a poopyhead.
Argument from Repetition Fallacy is the best. Repetition. Argument from. Best.
Begging the Question Fallacy is the be