Why do we need a bureaucracy?

Why do we need a bureaucracy?In a time of fiscal restraint, politicians campaign on getting rid of bureaucrats” who make government more inefficient and cost taxpayers more money.However, is there a value to having public servants? What does a bureaucracy do?  After reading Chapter 14 Harrison, B., Harris, J., & Deardorff, M. (2022). American democracy now (7th ed.). McGraw Hill., name some reasons why a bureaucracy is detrimental to our political system and some reasons why a bureaucracy is a functional necessity to our political system. Please bring in information from your text to support your answer.  In addition, choose one federal or state agency in our government’s bureaucracy and describe its purpose. Is it effective in carrying out its purpose?