Partly because the police ignored it. He’s a scientologist, they’re very powerful in Hollywood, and cops still don’t like biting the golden goose. Remini’s scientology show had a double length episode dedicated to Masterson situation. Women tried going to the cops and were basically patted on the head and sent on their way. The system was protecting him. Remini even had a hard time getting the episode on the air. That fight is really what started the public pressure that eventually led to charges.