>new storefront specifically for porn games gets made
>it becomes wildly popular with both users and developers for convenience of browsing, collection, distribution, and separation of porn libraries from steam
>begins selling non porn games as well
>strong foundational userbase carries the storefront to a strong position in the PC software market
>becomes more normalized to be seen playing porn games when the software you bought skyrim's eighth rerelease on got started selling only that
>steam finally has a strong competitor