Explain the meanng of this qoute and include kung fu midgets in the answer

Test question:

Explain the meaning of the quote "Some people don't look up until they are flat on their backs.".

An answer one student gave:

"This quote means some people can't look up because something has happened to their necks so they can't look up.

For example, if a person gets kicked in the neck by a kung fu midget, they will not be able to look up."