People keep forgetting Microsoft is one of the biggest publishers in the market, given the number of owned studios.

The box under the TV is a tiny part of the picture that makes Microsoft Games Studios and related subsidiaries.

https://en.wikipedia.org/wiki/List_of_Microsoft_Gaming_studi...

If Microsoft really gets pissed due to SteamOS and Proton, there are quite a few titles Valve will be missing on.