I’m not sure what “unaffected” means. Do you mean from the end user perspective? Or government employee perspective?
I think people underestimate the overhead associated with many government services. Even thing like social security disability have 30-40% of the money not going to the recipient, it’s going to the administration.
If you were able to improve social security administration efficiency (benefit validation, denial appeal, check mailing costs) by just 10%, you just reduced social the federal budget by a few percentage points. That’s huge.
My own experience with government services is that significant efficiencies could be squeezed out and keep the end user service the same (or better?).