Even if there are differences, generalizations will overemphisize them. Minorities are overlooked and you cater to the lowest common denominator. It's easier to

Even if there are differences, generalizations will overemphisize them. Minorities are overlooked and you cater to the lowest common denominator. It's easier to sell people a conforming stereotype then to provide a diversity of options. It's cheaper to exclude by category, but it is deeply unfair to everyone for whom it doesn't apply, and even if in mant important ways you are fairly normal and benefit from it, most people are in some kind of minority.