Even a non-pathological dating app might not move the needle as much as you want. Like with image-based social media, a decent portion of women using dating apps are looking for attention and validation, and are not necessarily interested in a relationship with the men messaging them.
Provoking more relationship formation and births at societal scale seems like it would require overcoming a whole host of challenges: the decline of third spaces, the absence of local-community or religious-denomination pressure for most people now, readily available birth control, and the distraction machines that are phones. A single app would be up against all that.
Provoking more relationship formation and births at societal scale seems like it would require overcoming a whole host of challenges: the decline of third spaces, the absence of local-community or religious-denomination pressure for most people now, readily available birth control, and the distraction machines that are phones. A single app would be up against all that.