For instance, government proprietors could neglect the quality of the service they are administering, and still continue to demand the same payment. Indeed, government proprietors are incentivized to underperform. Simultaneously, the absence of competition negates any opportunity for one to find higher quality services. In effect, monopolies are held together by the state and not vice-versa.
Secondly, a government monopoly on such administrative services implies there is no competition for said services.