I don't think anyone would scoff and the discovery and elimination of waste or fraud. I think the vibe you're describing is doubt that these supposed billions in waste/fraud/abuse live up to the hype.
Surely there's plenty of waste in federal spending but I suspect the vast majority is not going to be blatant and easy to identify
Surely there's plenty of waste in federal spending but I suspect the vast majority is not going to be blatant and easy to identify