Originally Posted by Silverstar
I too would've liked a more reasonable release time. And I admit I take delight in it the few cases when it's the USAians that has to wait. But eh, I'm not extremely bothered by this. Release time for digitally distributed games are rarely good so this is nothing new. Though maybe I'll indeed get lucky if there's a chance GOG drops it earlier as that's where I got it.

I have no proof for this, so this is 100% speculation from my side, BUT I get the feeling from past releases that Steam tells developers/publishers that they can't release earlier on other platforms than they do on steam.
At least I can't remember a case where that would've been the case.