"Lightbulb joke collection 91" joke

Q: How many military information officers does it take to change a lightbulb?
A: At the present point in time it is against policy and the best interests of military strategy to divulge information of such a statistical nature. Next question, please.

Q: How many running-dog lackeys of the bourgeoisie does it take to change a light bulb?
A: None, that's the proletariat's work!

Q: How many running-dog lackeys of the bourgeoisie does it take to change a light bulb?
A: Two. One to exploit the proletariat, and one to control the means of production!

Q: How many bureaucrats does it take to screw in a light bulb?
A: Two. One to assure everyone that everything possible is being done while the other screws the bulb into the water faucet.

Q: How many bureaucrats does it take to screw in a light bulb?
A: Five--one to change the light bulb and the other four to fill out the Environmental Impact Statement.

Q: How many bureaucrats does it take to screw in a light bulb?
A: One to spot the burned-out bulb, his supervisor to authorize a requisition, a requisition typist, twelve clerks to file the requisition copies, a mail clerk to deliver the requisition to the purchasing department, a purchasing agent to order the bulb, a clerk to forward the purchasing order, a clerk to mail-order a receiving clerk to receive the bulb....

Q: How many art directors does it take to change a lightbulb?
A: Does it have to be a lightbulb?

Q: How many copyeditors does it take to screw in a lightbulb?
A: The last time this question was asked, it involved art directors. Is the difference intentional? Should one or the other instance be changed? It seems inconsistent.