Read any history of Russia in the 1990s for a great guide to what happens when you hollow out the so-called "administrative state": graft, corruption, and ineptitude at providing even the most basic government services and providing for minimal public safety.
Administrative agencies have been a target for elimination, or at the very least, severe domestication, by industry for the better part of a century, with a pronounced uptick in anti-regulatory rhetoric in the run up to Reagan.
For a deep dive into this world, read up on "public choice theory."
Yeah you really can't have a functioning government (no matter the ideology) without a competent bureaucracy, either by hiring the right people or enabling the right people to do their thing.
