now that i'm thinking about it another frequently expressed criticism is that steam is a drm tool a combination of the following three sources should be reliable enough indicare published an article about it but although there are mostly massive complaints about valve's rigid usage control system it is alarming to see how little consumers have reacted to this practice and that it has not negatively affected sales of the game richard stallman mentioned as a notable drm critic at digital rights management opposition to drm called drm'd steam for linux games unethical defective by design says steam's drm violates users' freedom