I think Nintendo in particular revels in the scarcity. They value their IP above all else, and they know that's what their customers value, and they want to squeeze it for every last drop of fan loyalty they can. See the artificially limited-time (digital!) release of "Mario 3D All-Stars": https://www.nintendo.com/products/detail/super-mario-3d-all-...
The demand is there, it's just a question of having a convenient enough package