No bureaucrats to "oversee" their budget and "improve" efficiency?
Technology. How do humans create integrated circuits with millions of connections on a square millimeter of silicon with just those stubby fingers?
Lightbulbs is an easy one. They use a ladder :P
I do wonder though, how do they wipe their bottom after using the lavatory? After all they can't use a bidet as it would cause a failure of their circuitry,