In today's egotistic world, we need to cultivate a healthy ego, so that we don't sacrifice ourselves to unworthy causes. Ego is an important psychological tool that, when wielded wisely (with intention and awareness, as the article points out), can be very powerful and positive. We just need to make sure that we're in the driver's seat and that we don't let it take over. And especially that we don't come to believe that our collection of ideas about ourselves IS ourselves; as long as we remember that it's just a game--a mask, or a shield that can be dropped at a moment's notice--then we'll be okay.