[lmm]

> And yet the overwhelming majority of people of average attractiveness have mated and formed couples and married since forever.

This was true up until a few decades now, but the rate of all of that is now declining precipitously.

> If an app is not able to match them, must be a failure of the app, not of nature.

Or there is a broader societal problem causing a decline in all forms of dating, not just apps.