Valve's subscriber agreement says that they can close your Steam account (cutting off access to all of your games, even single-player ones) if they catch you ch

Valve's subscriber agreement says that they can close your Steam account (cutting off access to all of your games, even single-player ones) if they catch you cheating in certain multiplayer games. And apparently the Blu-ray scheme has the ability to stop non-compliant players from playing new movies.