I don't disagree. To me the ideal scenario lets them battle to start week 1, with a schedule to get the rookie on the field by midseason if he doesn't win the job outright.
The only catch is your coach has to have the balls to yank the vet even if the season is going well, ala Alex Smith vs Kaepernick.
Courage is not the absence of fear but rather the judgment that something is more important than fear.
The brave may not live forever but the cautious do not live at all.