Depends on what you want from them. When they were first being rolled out, people had the lofty idea of a Disney Infinity sort of game with Nintendo characters, and given how weird and hard it can be to get models of certain Nintendo characters, collectors horded them immediately before it became clear they were never going to be a rarity. As cool little Nintendo collectibles with innocuous DLC connected, they aren't bad value and still get rolled out well (I mean, Link's Awakening ones are literally days away). As the next big thing? Yeah, that age died after the first wave of Smash ones got replenished in store shelves.