The problem is that several major dating site brands — like Zoosk, Match.com and eHarmony — are allowed to advertise on Facebook.
Can Facebook dating matches see your profile?
Facebooks dating feature is very similar to Bumble and Tinder in that you cannot message other users until you both express interest in each other. The app will not suggest any of your current Facebook friends. Likewise, your dating profile will not be visible to your friends who use the feature.
Why are dating ads showing up on Facebook?
We want the ads you see on Facebook to be as interesting and useful to you as possible. Information advertisers, their partners, and our marketing partners share with us that they already have, like your email address. Your activity on websites and apps off of Facebook.