Exactly, when I read the article I thought to myself: "haven't evolution with its natural selection processes made us to have offspring in a balanced manner between both sexes!?" I think that if it turns out to be undeniable that there is an imbalance and at the same time its discovered an easier way for parents to choose their baby’s sex, that will add to the discussion of whether human knowledge expansion might, sometimes, turn out to be counterproductive to ourselves! But that would be for another discussion…