The Wii u was better (when the game developer used it correctly), it was a separate screen that showed different content. It was more like a DS.
Some of the games in Nintendo land were excellent local multiplayer games that will never get replicated again. They made great use of the second screen concepts.
They are at fault. If everyone that didn’t refuse join because of such reasons didn’t join there would be no one to do the shotting and the dragging.