And you base this statement on what facts? Surely people become interested in sport and dedicate their lives to it to reach that level because they love their chosen sport and not some "countries glory"
My country didn't fight back, I was a foreigner working there, and as a witness, I've seen plenty of people fighting, killing and dying because of nationalism. And it keeps on going in several places in the world...
Those playing at the olympics have chosen to represent a country. Sports doesn't ask you that. At the end of the show, each country will count its medals and most will forget the very real people who got them. The winners will be countries. Real sports doesn't involve countries, I gave earlier the example of tennis at Wimbledon, that's real sports.