Most people never will have a realization of the truth of that statement.
He may be a marginally NeverTrump RINO talk show host, but Hugh Hewitt also used to be General Counsel for the Office of Personnel Management.
About a decade ago he spent his entire show going over the various levels of protections and appeals and arbitrations available to Federal employees, and basically proved that it was IMPOSSIBLE to actually fire one.
All Americans should have heard that show.