Earlier quoted context omitted.
That is so weird. What is there to set-up about deposit? Can't they just input your account number and send you your money?
It’s even easier to do it the way described. The banks are printing and mailing and processing the checks, which they can do with high efficiency. From the payor’s pov, it’s easier not to worry about tracking account numbers and just using the address which they already know. And the payee doesn’t need to share their bank info.
The account number is on the invoice..