This makes no sense and in no way prepares them for the real world. Having a savings account where they can only put money in and can't easily withdraw from doe

This makes no sense and in no way prepares them for the real world. Having a savings account where they can only put money in and can't easily withdraw from doesn't prepare them for the first job where they get paid in cash or cash equivalents. You think they'll still magically go put it into their savings account when they know they suddenly have the power to make an impulse buy?