How do you know a 50/50 split is correct? Given the genetic differences between sexes a 50/50 split seems very unnatural and forced to me. To put it another w

How do you know a 50/50 split is correct? Given the genetic differences between sexes a 50/50 split seems very unnatural and forced to me. To put it another way, why don’t we have an issue with the number of men and women in the NFL?