WNBA is being sponsored by men's NBA and they would not have survived without.
The merr existence is not an evidence of success.
Kids' little leagues also exist, but can't be compared, with actual professional men's sports.
Where is women's American football? Women's baseball? Crickets...
Women's icehockey is in such a state, that there are only 2 decent countries dominating everybody, and they would get destroyed by men's amateur players.
There are only few women's sports disciplines that are actually popular on their own. Like figure skating and tennis. And the athletes would get annihilated by their male counterparts.
The world's best female ultradistance runners, rock climbers (particuarly sport and bouldering, but lead also), ultradistance swimmers, are all on a par with their male counterparts and occasionally better.
Since I personally don't have any interest in team sports of any type, I have nothing to say about your observations, though I will continue to wear my "I'm here for the women's race" t-shirt whenever I can.