In order to start it you need some jumper cables and a friend's car. Whenever you turn it on, all the dogs in your neighborhood start howling. The only chip inside is a Dorito. You've decided that your computer is an excellent addition to your fabulous paperweight collection. Your Bank Line is so Long Bank employees are attention starved.
Bank managers take bets to see which customer passes out first.
Tellers are too busy plotting their lunch break to be concerned with the customers. The abacus got rusty. Artists get tired printing twenty dollar bills by hand. Why not, you've got all day. That Old Lady is paying all her bills in pennies.