"Why You Should Never Pay For Online Dating", written by a co-founder of OkCupid:
https://www.gwern.net/docs/psychology/okcupid/whyyoushouldne...
before they, too, sold out to the Match Group monopoly.
https://en.wikipedia.org/wiki/Match_Group#Dating_services_ow...
The world needs a site with the moral integrity and user-only focus the likes of lichess.org