Pretty good article and I'd be inclined to agree with a lot of his points. Thats why I wanted him to keep his leg kick since I felt it would help him get his swing started sooner so he wasn't always late on fastballs.
A lighter bat is an interesting topic but I highly doubt he would switch it. Players are so anal about the weight of their bats being perfect to the tenth of an ounce that it would seem like too difficult of an adjustment in-season.