What's really weird is that almost the entire fanbase wants one single team to dominate because all four drivers on that superteam are enormously popular with the fanbase (Elliott, who will be the MPD until he retires, Larson because he's the best driver in all of motorsports, "Bowman the Showman," and "WillyB" because of iRacing and driving the 24).
What makes a dynasty fun in other sports is not just the dynasty itself, but watching fans root against it (people rooting against Brady and the Patriots, people rooting against Alabama). But, in NASCAR, probably close to 80% of the fanbase approves of a single team dynasty.