Cheated on Her First Husband
She's in no position to judge anyone.
She's a middle-aged has-been who is blaming all of her woes on men in a blatant attempt to gain sympathy in the Me Too era. Maybe she should shoulder some of the responsibility for the things that have gone wrong in her life.
Considering Jon Cryer has criticised Demi for lying about taking his virginity, we should take the stories in her book with a pinch of salt.