Other than DRM, what's not to like about Steam policies?
They're just the biggest player and the 30% cut is worth it for all the additional sales.
Like what? GoG? And what else?
To be fair, none of these things were pioneered by Valve, but more of a general change in what society accepts as the new normal.
Even though I can remove SteamStub DRM with an automatic tool to solve these issues, It still irks me how there isn't a regulatory solution to these problems
At worst, you cannot buy more games or gifts or trade your items. But you can still download the single player games you already have.
EDIT: Generally it seems account suspension is possible, but that usually means they noticed something illegal or extremely suspicious activity.