In this particular case, it was considered so acceptable that Rob narrowly avoided prison time and it apparently served as the wake up call he needed to get his ass into rehab. Sure, he got more of a pass back then than he would these days, in part because by then the general public was figuring out that all the Brat Packers had been kind of fucked up by their childhoods and this was par for the course. But no, it wasn’t just the diviners and the time travelers who held the sacred knowledge that making sex tapes with high schoolers was bad, even in that Time of Myth and Legend that was 1989.