Valve only did this so that it could effectively bundle its software with retail CD copies of games, back when they existed. When you dive into Steam, you'll s

Valve only did this so that it could effectively bundle its software with retail CD copies of games, back when they existed. When you dive into Steam, you'll see that it hasn't really changed in a decade. Valve are basically sitting back happy with the $billions pouring in each year owing to their 'first mover'/monopoly position.