Customers cant tell they choose Steam for achievements if the achievements are provided with another format. Achievements in this case have no value to determine the Steam offer over the other format.
It has nothing to do with installing Steam or not.
It has to do with finding value where there is not.
Originally Posted by sakichop
So basically what people want is a game where you can play many different races having violent sex with up to 3 friends while yelling obscenities.