“What you see right there is variable pricing,” Bowser told The Washington Post. “We’ll look at each game, really look at the development that’s gone into the game, the breadth and depth of the gameplay, if you will, the durability over time and the repeatability of gameplay experiences.
AKA corporate greed.
Mario kart sure does though. If it truly is whatever pricing they claim, it is THE GAME that could offset the development costs over the period of time it will be sold for going by past Nintendo consoles. There is one Mario kart per generation with maybe some (paid) downloadable content later.