The Cincinnati Bengals abruptly gave up on franchise QB Andy Dalton, whose playoff history did not look dissimilar to Dak’s, and immediately drafted his replacement who led them to back-to-back AFCCG’s and a SB.
The Seahawks moved on from Russell Wilson, and with no franchise QB have had winning seasons both years since.
The Kansas City Chiefs prematurely dumped franchise QB Alex Smith and immediately established Patrick Mahomes as their franchise QB, making it further in the playoffs his first starting year than Smith did.
The Houston Texans moved on from Deshaun Watson, and within two years were in the playoffs with their new franchise QB, even winning a playoff game.
The Atlanta Falcons moved on from their longtime franchise QB after years of playoff disappointments, and within 2 years have rebuilt their offense and signed a new franchise QB to run it.
The Green Bay Packers moved on from Aaron Rodgers, and immediately made as far in the playoffs as Dallas has in 28 years (ironically by beating Dallas). And in the process appear to have their franchise QB.
The Pittsburgh Steelers have had a winning record every year since Ben Roethlisberger retired, even through the throws of a failed franchise QB.
The Baltimore Ravens moved on from longtime franchise QB Joe Flacco in a cost cutting move, and his replacement won league MVP the very next season.
The Philadelphia Eagles moved on from Carson Wentz the year after 3 straight playoff seasons and were in the SB within 2 years. They also appear to have found their franchise QB.
The San Francisco 49ers benched and ultimately released their franchise QB, only to have a late round pick match his best playoff successes for 1/30th of the cost.
The Los Angeles Rams moved on from Jared Goff, and immediately won the Super Bowl.
Similarly, the Detroit Lions moved on from Matthew Stafford and were in the NFCCG 3 years later for the first time in franchise history.
Not all situations are identical to Dallas’, but they all have a common thread: coming up short in the playoffs is a ceiling they did not accept. It is not about whether or not you get that QB who will get you over the hump; it is about whether or not you have the will to try.