Why do people use that opening phrase before stating some event should not happen to a woman?

Ex:

“She’s too pretty to be cheated on” in regards to her partner sleeping with someone else.

Or

“She’s too pretty to be sad.”

Or

“She’s too pretty to have to resort to sleeping around.” (Ex: Celina Powell who sleeps with entertainers and got pregnant by one)

Why do women who others deem as physically attractive get passes? I don’t see how it benefits the rest of humanity. It’s like an empty gesture with a hollow meaning.

Have you heard that phrase before?