There's a huge difference in support structure. Look at what happened with the Catholic Church. Many even did come forward at the time and were either hushed up, weren't taken seriously, or brushed under the rug because of how powerful it was at the time. Or someone like Harvey Weinstein. And specifically in sports we've seen how powerful coaches and administrators can make things go away, like at Penn St.
I agree that it does absolutely exist where women make these claims for money or exploitation and that should be dealt with harshly if it's proven. But I also think there are reasons for why people don't come forward at the time. Maybe sometimes it takes for them to meet someone else who went through the same thing, I don't know. But I would say things are different now.