The idea makes no sense unfortunately. If the game dies so does the meaning of the NFTs. It's even more pointless in the context of Vitalik's WoW example becaus

The idea makes no sense unfortunately. If the game dies so does the meaning of the NFTs. It's even more pointless in the context of Vitalik's WoW example because the NFT has no relationship to the game mechanics, the creators of the game could trivially nerf, alter, or remove previously minted NFTs at their own discretion.