If we sign Alex Smith and draft Star #1, you have just written off the next three years of the Chiefs future. The only good thing about these assumptions is that it will mean we could be picking #1 for the next few years. The problem is there will be few fans left. While Alex Smith will seem like Matt Cassel on a good day initially, Chiefs fans still living in the past will realize that a mediocre QB cannot carry a team. A DT cannot carry a team. A LT cannot carry a team.
A QB carries the team on his shoulders. The rest are just a supporting cast. As such, the #1 pick in any draft has to be a QB unless EVERY prospect is of the talent level of Alex Smith and Matt Cassel.