Just look at this thread, filled with people who got the wrong answer and want to prove that either the smartest person in the world was wrong or that the question is ambiguous.
Do you think that given the context of the puzzle – about a US game show, printed in a US paper that the question is being asked in many developing countries?
Or are you looking to find fault with something for the sake of finding fault?
More like a shibboleth for sore losers.
Just look at this thread, filled with people who got the wrong answer and want to prove that either the smartest person in the world was wrong or that the question is ambiguous.