Maybe it's time for an open source federated dating service or something. Or at least something that doesn't sell your data, doesn't leak your nudes, or doesn't get you beaten up/raped/murdered. Probably easier said than done.
ActivityPub even has the mechanics to facilitate it through publishing Person records. There is MASSIVE space for innovation, especially if you prioritize on non-monogamy, non-heterosexual, non-gender-conforming needs.
Dating apps are a REALLY hard space to get into, however. You need a cumulative mass of users in a given area before they’re useful, and monetizing it inevitably means making the app less useful. There’s a reason okcupid went to shit after it stopped being a non-profit.
And then there’s the moderation problem…