I think there was some machine learning-based article from some dating site (PoF? Tinder?) a few years back that more-less supported those claims? I don't use d

I think there was some machine learning-based article from some dating site (PoF? Tinder?) a few years back that more-less supported those claims? I don't use dating apps so have no idea what the "market" is but I am sure dating sites have the ability to extract perfect stats - maybe somebody from there could chip in and tell us? "Applied Sociology" anyone?