When you reduce a constructive argument down to binary logic and then the other side just waffles on and not answer the question as answer goes against their argument a complete waste of time.

Debating for debating's sake is counter productive.

>>The answer is just yes or no, nothing else.
>
>You'd be surprised how often I refuse to answer such questions. My last boss probably circled the days in calendar when I did answer with a yes or no.
>
>OTOH, I usually answer "A or B" questions with a yes (and he answers them with a no :).