This is flat-out false. It's true that many games on Steam use DRM of some kind (either through Steam itself or a third party) but there are many others that do

This is flat-out false. It's true that many games on Steam use DRM of some kind (either through Steam itself or a third party) but there are many others that don't, and can be used with no restrictions once you download them with the Steam client. This page is just a quick Google away: https://steam.fandom.com/wiki/List_of_DRM-free_games https://steam.fandom.com/wiki/List_of_DRM-free_games