What the joke displays is a switch in perception. This is important in changing the way we think.
What is urgent will always take precedence over what is important.
It is well known that "problem avoidance" is an important part of problem solving. Instead of solving the problem you go upstream and alter the system so that the problem does not occur in the first place.
Thinking is the ultimate human resource. Yet we can never be satisfied with our most important skill. No matter how good we become, we should always want to be better
Asking a question is the simplest way of focusing thinking...asking the right question may be the most important part of thinking.