I know all the reasons, and all the things they can do to make things safer, I was just trying to be funny.

Heh, well you certainly picked an old, over-used cliched joke to be funny with.

(The "why don't they make the airplane out of the black box" line is often used when someone is trying to do a parody of a bad comedian... Sort of like a more subtle version of "take my wife please". I've seen it in a couple of movies and also used as part of a practical joke at a standups convention.)