I have a four year old daughter. We have a number of "matching games" and at first I would let her win a few games and lose a couple too, in order to teach her how to handle both experiences. Now, she openly kicks my ass without me pulling any punches. I wish she would let me win from time to time. But, I get the sentiment from the athletes, it makes sense. I think being competitive is a great thing in life. Learning how to lose AND win with dignity is important stuff.