New and popular adult dating site
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.
If you're new to online dating, you've probably heard of a range of sites devoted to setting you up with your next date.
Their free hour-long test to help you determine compatibility markers is fascinating, however, there's zero way to tell if the person you're matched with also has an account, and therefore can reply to your questions.
Originally called Engage, Christian Mingle has 5.5 million active users.
It's the biggest niche and religious dating site in the world, with an even larger community base to support any Christian single's faith.
With 1.7 million unique monthly members and the support of People Media (one of the largest online dating website conglomerates), and (also its parent company) Our Time a definite must-see if you're wanting to date or remarry in your 50s and beyond.