By guaranteeing investors protection against inflation, government is, in effect, making it easier to live with inflation. But there are many counter-arguments. The taxpayer can save on interest costs if inflation is as low as government expects it to be, because these bonds do not have an inflation risk premium built into their pricing.
Technology has already provided an answer in the form of Total Branch Automation, which has now given way to the Core Banking Systems, and the facility of single-window service at branches.