It's not an either-or proposition. I know it's hard to imagine, but one can drive a car and visit New Jersey and Connecticut in the same day!!!
As for the pick; sounds good to me. Keep in mind that Emmitt Smith broke the rushing record that year because the Dallas QBs were Quincy Carter and Chad Hutchinson. As a Cowboys fan, that's when the times started to turn for the team. Still, he has a lot of experience at a lot of levels.
I think the other changes of offensive coaching positions seem extremely curious to me! I wonder if anyone has any insight on the why's of some of those changes...