They force you to use it to launch games you’ve already purchased from them, which just means you have to waste processor cycles to wade through a grip of their blaring ads (and can only imagine the data they’re collecting/monetizing from this)
Pure enter through the gift shop.
The dark patterns are egregious as well; a tech-savvy friend bought a game from them so we could multiplayer. I got a call from him 20 minutes later because he was unable to find the game he just purchased, even the transaction went through and it was downloaded.
Turns out they had a “feature” hidden in the preferences that was enabled by default to hide the library of your purchased games from the navigation menu.