This isn't about making up for existing disparity or some form of affirmative action ... it's simply that women seem to be the best investment if you want to impact change on future generations.
Again, you can sit and talk about the "effects" of this or that or you can be involved in helping change someone else's situation[1].
If you're going to do something then you have to look at the evidence available to you. If you've got a village and you give men and women money to help them improve their circumstances and you find out that the majority of men spend the money on themselves (sometimes gambling and alcohol) while the women buy food and spend it on children; what decision would you make?
[1] I set up a free sewing school for WOMEN in India with my father where they take 6 weeks of training and leave with a sewing machine.
