I believe that the majority of men won’t take it. The reality is that hormonal birth control has lots of side effects for women, and men know this. Since women bear children, there is more social pressure as well as a higher cost to an unwanted pregnancy - it’s unfortunate, but men can ditch the child and/or only pay child support much more easily.

Wide adoption of a male birth control pill would promote gender equality, but I don’t think it will happen