If you saw a check cashing store, a corner store loaded with pre-debit cards for sale, a Rent-A-Center and a payday loan facility, would you think you were in Beverly Hills? Of course not! The answer lies in the basic premise of capitalism -- go where you can "capitalize" on opportunity.
The bank account as the central money management tool is simply not relevant for many low income people. If we want to assist people in their efforts to be competent money managers, what is the best mix of services?