If all men are trash, wouldn't that mean everyone is trash?

Girls will often say all men are trash after they've been slutted out by some dude she thought like them.

But if you apply that same logic to a different race like say, for instance, you got robbed by a black person or mugged by a white guy. No rational person would conclude that the crime born out by a single Individual is not licensed to paint an entire group.
If all men are trash, wouldn't that mean everyone is trash?
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