Man in helicopter: Excuse me, where am I?
Passerby: You're in a helicopter about 20 ft. off the ground.
Man in helicopter: You must be in tech support.
Passerby: I am. How did you know?
Man in helicopter: Your answer was technically correct but completely useless.
Passerby: You must be a businessman.
Man in helicopter: I am. How did you know?
Passerby: Because you don't know where you are or where you need to go, but you expect me to be able to help. You're no worse off than you were before, but now you think it's my fault.