Several reports popped up on Twitter about it and the developers themselves claimed to have implemented "blockchain DRM" when marketing the game. I guess the mistery as to why it was delisted from eShop so early was finally figured out.
The fact that the IP creators didn't even know about the game was a black flag for sure, here's the publishers talking about implementing blockchain DRM into the game (all the original marketing material was removed from the internet, so there's only the coverage by gaming sites available as a source):
DoesItPlay on Twitter
“@Wario64 The game has its own crypto currency and basically uses players to mine for it. It will be used to measure and pay out to shareholders. Basically this game is about as corporate and shitty as it comes ... bow to your corporate overlord”
twitter.com
The fact that the IP creators didn't even know about the game was a black flag for sure, here's the publishers talking about implementing blockchain DRM into the game (all the original marketing material was removed from the internet, so there's only the coverage by gaming sites available as a source):
Cooking Mama is Connecting to the Blockchain
The Cooking Mama franchise is being rebooted and the next game of the series is coming to Nintendo Switch with integrated blockchain technology.
gamerant.com