Arizona used a similar approach to what SF does and it worked perfectly.The Cowboys defense is built on rushing the passer, which also leads to forced turnovers. The 49ers offense isn't a dropback and throw 40+ times system - instead, they run the ball a lot and then take their shots downfield. This allowed them to control the Line of Scrimmage and protect the ball. If the Cowboys can't get turnovers, they are in trouble.
Defensively, they shut down anything downfield and played a Bend But Don't Break style knowing that the Cowboys offense couldn't get into the endzone, same thing as what SF did in both playoff games.
Dak's Yards Per Attempt:
January 2022 Playoff Game vs. SF: 5.91
January 2023 Playoff Game at SF: 5.57
Arizona Game: 6.23
(Dak's career average is 7.6)