But if you look through the winning games, how many were because of Dak, in spite of Dak and where he was indifferent to the result?
Whilst you mull over that, consider that the Cowboys beat the Vikings in their back yard with Cooper Rush as QB.
I would argue pretty much any starting QB in the league would have this team 9-7 worst case scenario heading into the final game of the result season and most would have the team around the 10-6/11-5 range.
10 QBs would have the team better than 11-5 - Rodgers, Brady, Mahomes, Wilson, Burrows, Herbert, Allen, Murray, Jackson (when healthy obviously) and Stafford (he would be explosive in this offense). So no, I'm not counting myself fortunate that the Cowboys have Prescott especially given how much his contract will eat of the salary cap over the next 2-3 years.