No, I actually insist on evidence that people knew what you claim people had to know, mostly because most sex offenders, prefer that people (friends, family,acquaintances) not know the very thing you insist that everyone knew. Even if it is not dangerous from a law enforcement perspective, it still is from a social standard. Nobody likes the social judgement of being thought of as a pedo or sex trafficker and people, by nature will work very hard to keep such interests quiet from the wrong ears. Sex predators get practiced at hiding it so more people will not know, than will know.
You make a very interesting wealth point here. I see a complete double standard too. Nobody is targeting the maids, the cooks, the staff to make sure they are on the 'list' except insofar as they can testify against the rich and powerful . they get to hang around 8 hour day after 8 hour day, week after week, but we are not thinking that they collude, conspire, or facilitate sufficient that we should burn them in effigy on the media cross. We distrust and are suspicious of people that are not like us, in race, faith, ethnicity, orientation, life experience and economic class. Its natural.
We both agree that bigotry based on economic class is a thing. But I see that bigotry as possible two- way street, and you see one way traffic.