If it's only because of cultural bias, then why did that bias develop in the first place?
I think this issue is interesting, and I can think of several good arguments for both sides. However, I've noticed that those arguments are based mostly on emotion-- the main premise behind most of the points is that the arguer wants their point of persuasion to be true. For example, I would really like to think that men and women are intellectually equal in all areas. I based my decision on what I wanted to be true, and only found supporting evidence afterwards. When responding, try to see if you're doing the same thing.