Oh, how the tables have turned. It used to be that if you were a fintech startup or, for lack of a better term, a digitally native financial services business, you might be eyeing an acquisition from an incumbent in the industry. It used to be that if you were a fintech startup or, for lack of a better term, a digitally native financial services business, you might be eyeing an acquisition from an incumbent in the industry. But lately, fintech upstarts are the ones doing the acquiring. Over just…