Why do women (as well as men on their behalf) get so upset over stereotypes and jokes?

I like looking at reviews on Goodreads after I finish a book, and holy shit the amount of whining I see whenever women aren't portrayed as God's gift to the world or God forbid a lighthearted joke is made about them, the reviewers go on a tirade about "misogyny" in one little scene, and this taints their perception of the entire fucking book. What the fuck, why are they like this?

Nobody does this when it's a man. But when it's a woman they act like you committed the holocaust.
Why do women (as well as men on their behalf) get so upset over stereotypes and jokes?
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