Fifteen minutes into your refund window.

They're hoping people will get sucked into the game, and stop caring the graphics suck.

If you jump straight from an optimized game to B4, it's going to suck. They want you to keep playing till your brain adjusts.

But if you're coming out of 120fps twitch shooter...

It's gonna take a lot longer than 15 minutes to get used to AI upscaled fake frame 60fps instead

It’s the JIT shader compilations that need to be rebuilt in the state cache, other games do the same thing it’s why there are tiny stutters the first time you see a new effect in some games.