Importance of Google Scholar to Google

Dean Giustini highlights 5 problems with Google Scholar after being in beta for three years. I think Anurag Acharya and his team of few engineers at Google Scholar have created more than a "good enough" product for a free service. Can Google team do better? Sure. Will they improve the product? I don't have a clue. So far it seems that Google Scholar is not a priority for Google as their Renewable Energy initiatives