Comment by noduerme

This made me laugh. Unfortunately, this is the world we live in. Most people who drive cars have no idea how they work, or how to fix them. And people who get on airplanes aren't able to flap their arms and fly.

Which means that humans are reduced to a sort of uselessness / helplessness, using tools they don't understand.

Overall, no one tells Uncle Bob that he doesn't deserve to fly home to Minnesota for Christmas because he didn't build the aircraft himself.

But we all think it.