No, it was not revealed that Clinton visited Epstein's Island over 20 times. The same guy who was close friends with Epstein and now says he wasn't because Epstein stole masseuses from him making a false claim about somebody else does not make it valid.
Clinton faced multiple accusations involving harassment sexual harassment, assault, and even rape, yet he was not rejected by his base. In fact, these accusations managed to end two movements: the sexual harassment craze from that era, and the Feminist Movement, which decided to give Bill a pass and effectively go dormant for a couple of decades because movies found him just too cute to be guilty.