Eh, bank teller jobs were dying and on their way out long before the iPhone showed up. Back in the early 00s local branches were downsizing left and right. My small rural town went from having three banks with like 4 tellers in each bank, in the mid 90s, to one bank with 1-2 tellers, in the mid 00s.

By the end that bank only dealt with mortgages, other loans, and saving accounts.

Online banking and the rise of card use was a huge reason for that. It is almost 20 years since I last time went to a physical bank to withdraw or deposit money, or pay a bill. Probably even longer for paying bills.