She is a woman who spoke out about sexual harassment in the 90s. That’s how women got treated then. Take a look at the treatment Anita Hill and Paula Jones got sometime.
How was that sexual harassment. She had sex with Bill because she was attracted to him. It’s not sexual harassment just because a man with power has sex with a younger woman.
Sex, in a situation with a major power imbalance, is problematic. Also, do we know she had sex with him because she was attracted to him, and not because he pressured her into it?