It's pretty hard for any site these days (especially the big ones) to stop fake profiles and scammers from signing up, but I think I get what you're after.There are a lot of adult dating sites that don't have a lot of users, or use sneaky marketing tactics like the bait and switch you're referring to.
It seems all that I have come across do not have real/true information... I sent the company an email to complain, but they didn't reply.
is an online dating community dedicated to introducing open-minded singles, who think that an online flirt is much better than a relationship.
View personals, communicate with playful singles, share your experiences, and mingle with people from your area. Feel lonely and still can't find a person for life and love?
Good sites can go bad, and those I don't recommend may improve.
Of course, new sites will debut that may or may not be of merit.