https://www.aei.org/economics/what-atms-bank-tellers-rise-ro... Well, the average bank branch in an urban area required about 21 tellers. That was cut because of the ATM machine to about 13 tellers. But that meant it was cheaper to operate a branch. Well, banks wanted, in part because of deregulation but just for deregulation but just for basic marketing reasons, to increase the number of branch offices. And when it became cheaper to do so, demand for branch offices increased. And as a result, demand for bank tellers increased. We see a whole number of occupations where you might think that technology is going to destroy jobs because it’s taking over tasks; and the reverse happens.