But as Los Angeles–based writer Jessica Teich read the elder Dreyfuss’s tweet, she grew “bothered,” she says. “When I read about his support for his son, which I would never question, I remember thinking, But wait a minute, this guy harassed me for months,” Teich told me in an interview. “He was in a position of so much power over me, and I didn’t feel I could tell anyone about it. It just seemed so hypocritical.” She began drafting a Facebook post that she shared with her friends, one of whom is a New York staff member, who gave Teich...