Why are guys' opinions that are appealing to some women considered "simping"?

Isn't that a way to cancel an objective discussion. Because it seems like objectifying women is more manly thing, and I think many guys would rather keep their thoughts to themselves even if they are virtuous and truthful just so they don't be called simps.

And are there really gender exclusive opinions?
Why are guys' opinions that are appealing to some women considered "simping"?
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