Valve won’t put ads on Steam because they have no value to their customers
Valve could be making even more cash off of Steam, if they chose to throw some adverts into it. But let’s be honest here: Selling ad-space wouldn’t benefit users in the long-run. And Valve is well aware of that, hence the lack of ostentatious digital commercials for sugary piss-chalk water or powdery crisps on their platform.

