African runners regularly work out in the United States and Europe, and the International Olympic Committee sends some of the cash from the Games to Olympic committees in poor nations, which use the money to finance their own programs.
Sochi started with the same problem as every Winter Olympics. Forget the crass commercialism, the fake amateurism, NBC's refusal to televise important events live to all its viewers. As an event, the Winter Games fail on the most basic level. They're lousy to watch.