There is value in removing the need of a centralized authority to confirm transactions. There's a lot of downside to it too.

Regarding games, problem is game companies want control over their game assets, so they're uninterested. Interested parties tend to put as little investment into the game as they can get away with so that they can maximize their profits from scamming or rug-pulling the community. Game development would have to rely on community driven efforts focused on enriching the entire environment.