iphgix: I suppose I will make one more post on this thread and be done. If I buy the game on GOG, I do not have to do anything or skirt the DRM licensing rules to be able to play it simultaneously on every computer in my house. I OWN the game and can put it on every PC that I also own, legally and with GOG's blessing and consent. If you buy the game on steam...the lisencing specifies that You are to play it yourself or, with family sharing, You can share it but only one person is SUPPOSED to be playing your entire library at a time. There are ways to use offline mode to effectively skirt these restrictions, but you are not exactly a rule follower if you are using these methods. Also there are likely to be several patches in the early stages after release. I can download the patch and run it on all of my PCs simultaneously. You will have to log into steam go online, patch the game, go back offline, go to the next computer, log into steam.... do the hokey pokey, and repeat until all of your PCs are up to date.
To the comment that you do not have a problem with only using a game that you rented on one PC at a time, that is the difference between renting a game and owning a game. Several of my older children and my wife can enjoy the game while I do if I buy it on GOG. Blizzard makes me buy multiple copies of their games to play with my kids and I am not terribly happy about that, but That is their choice as a developer/distribution company. Given the choice by CD PRojekt Red as to which distributor I want to use, the choice of 1 license/1 player at a time or 1 license for the entire house is up to ME.
the standard gOg license also state "[...]This Program is licensed, not sold, for your personal, non-commercial use. [...]"
It does not state there what you are describing is allowed either, it is only for
personal use. So you can say, in fact, that you are using DRM free to circumvent the EULA you have agreed to.