I can think of many malicious uses of this but there are a few good reasons for doing it. When telltale shut down, they had to hike the price of their games to keep them on the store long enough for existing owners to download it (https://www.polygon.com/platform/amp/xbox-360/2019/6/16/18681130/minecraft-story-mode-100-dollar-episodes-mojang-telltale-delisting-xbox-360). Also fraud prevention