But, they can dictate how some men want to show their body? *shakes head*
Firstly, you claimed that men are the problem, not that people who object are the problem. This new claim is a different claim.
Secondly, whether you like it or not, women are more likely to complain of male nudity in a venue than men are to complain of female nudity in a venue, yet you want to portray the argument as "men are the problem".
Your argument only works in your head because you draw an artificial distinction between men and women, and you want to "protect" the women. Treat everyone as people and your argument falls over.
Distill your argument to the essential bits:
1. Does a person have a right to show whatever part of their body that they want to?
Sure.
2. Do people have to be forced to see that display in a public venue?
Depends on what the society has decided on.
3. Should the rule be based on whether the viewer/displayer is female or male?
Most definitely not.