I think its because she was one of the most beautiful women alive, had a tenacious attitude, acted in some very very funny famous films which are culture touchstones and still hold up today.

I mean they married men who she slept with are of equal blame, but I dont think anyone ever held that against JFK.

Edison still gets a lot of praise too. Maybe we should stop looking at figures that have made a large impact on our culture as demigods. They're usually pretty fucked up.