Earlier quoted context omitted.
Do you have data on that? All the abusers I've heard of by name were in the category of "some we unfortunately didn't know about" (with the exception of the Epstein clique, I imagine, which were more in the category of "some we collectively didn't want to know about").
No data, and I imagine there isn't much to say either way, since collecting the data is difficult at best. I think part of the discrepancy is that you're talking about abusers you've "heard of by name". The other is that people like Weinstein and Epstein clearly have power, and by default the powerful are left to their own devices (of course their victims and many others around are aware, but don't speak up). I think…
A friend of mine was sexually abused by a family member. To this day, the family refuses to believe it. I've heard of other stories among people I know. None of the abusers were flagged out as creeps until the story came out.
Almost all the only cases I've heard of easy-to-spot creeps doing the abuse are among the rich & powerful, and it's possible they might be considered easy-to-scope solely because it was already known that they were abusers.
The one case of abuse by easy-to-spot creep I've heard of among my circle was that that of a rape in a high school, by a 15yo who had been flagged as dangerous in his previous high school, and nobody acted upon it in the new high school because the file had apparently been lost in transfer (possibly at the behest of the parents).
So, my anecdata suggests that profiling is hard.