This idiotic policy pressured us to spend more in pricey restaurants and avoid cheaper street vendors (Try explaining to a thai street vendor that the receipt has to have your name on it). Similarly, it was easier to claim a $50 cab ride than a $5 subway fare. Add in the cost of paying people to scrutinize our every receipt and I'm sure the University tripled the cost of conference trips. Success? Absolutely, at least for the sleazy admin who tripled the staff reporting to him, likely by claiming students couldn't be trusted to keep costs down.
This is just the tip of the iceberg, but it illustrates my point: Treating people as dishonest by default carries a heavy price, payable in bureaucrat salaries.