Steam isn't that big anymore. A lot of people are moving away from it due to DRM. The fact that they are dropping support for El Capitan and Windows 7/8 in January shows it's not sustainable long term. Windows 8 came out in what 2013? El Capitan was 2015. Forces people into upgrading to keep up. I know more career driven people might only buy a couple of games every few years so it's no sustainable. Only contributes to Ewaste. That's why physical games are starting to take off again value wise. Have made good money from selling physicals last few years for this very reason. It's cheaper a lot of the time too and you get to keep the game forever provided the game data is on the disc and not steam powered.