Worse, in this case, the adverse selection problem builds on itself. Over time, "normal" users would be driven out until only problematic candidates remained.
Off the cuff so tear this to pieces. Perhaps I just WANT the idea to work so well that I am not seeing the forest through the trees.
But you won't be able to eliminate those who are merely boring, or ugly, or abrasive, or have an annoying personal habit. Your rolls will fill up with people like these.
And basically they gave you a tiny bit of information about the person and a blurry picture and a location of one of your choosing (a coffee shop/bar/restaurant). In my experiences she was the one who chose the location to meet. We would meet up and have a drink or two and talk. They generally were really quite interesting. I didn't run into any women who were particularly creepy. A couple who were absolutely terrible dates (unable to converse, etc).
I can't speak for the women, but of the ones I talked to who had done it prior to meeting with me were generally pleased with their experiences also.