I worry whenever a conversations starts to veer toward the question, "What could [insert victim/victims' parent here] have done to prevent/stop the abuse the victims were subjected to?". The onus needs to stay on those who perpetrated the bad acts, not on those who were harmed by those bad acts. The way for these women (and their families) not to have been victimized would have been for Larry Nassar to choose not to harm them and/or for the institutions who protected Nassar to have listened to and believed the brave young women who reported him multiple times over the years. He could have been fired from his job, lost his medical license, been banned from USAG, arrested and prosecuted...the list goes on on what could have/should have happened (parents/children control none of those things). He was reported by victims & parents over and over again. Children (and their families) are NOT to blame.
I think sometimes we, as bystanders, want to believe there was something that could be done to prevent bad things from happening; it is a way for us to distance ourselves from having to accept that horrific things can happen outside of any of our control. I think we would all like to believe that we would have handled the situations each of these family's found themselves in differently and that maybe then our children wouldn't get hurt...however, I think that puts blame where it doesn't belong.
Bad things can happen to good, blameless people. It is one of the hardest realities for me to accept. The problem, here, though isn't simply that bad things happened - the problem is bad things happened and everyone who was contacted/notified/reported who could have stopped more bad acts chose instead to believe and protect the monster who hurt so many young women, allowing him to hurt more children over decades. Or (even worse in my mind) chose to try to protect the brands (USAG, USOC, MSU) over protecting children.