> isn't Congress made up of 50% women + 50% men?
it is true if Congress would be engaged in sex related questions only
it is true if Congress would be engaged in sex related questions only
But if it were true it would suggest that there are some important questions going unaddressed the way things are right now.
Assuming you're naive, here's an example from today's paper: https://www.nytimes.com/2018/12/31/opinion/childbirth-injury...
More generally: why have more than one representative at all? Because every person has a slightly different perspective based on where they're from. The wider the variety of opinions (at least to the degree they reflect the diversity of opinions -- urban/agricultural/wilderness; male, female; different levels of education and background; etc) -- the more useful the result.