Seriously look at the medal count then examine who is winning those medals...
Katie Ledecky - Swimmer (Gold)
Madaline Dirado - Swimmer (Gold)
Kayla Harrison - Judo (Gold)
US Women's Rowing Team (Gold)
US Gymnastics Team (Gold)
More than half of the US gold medals are coming from women. The US has one of the best athletic programs in the world for females. Other countries don't emphasize women's sports so the US consistently dominates and it raises their medal count. If the Olympics was just for men then the US would not be the superior country.