Z:gnu-www-ja-right-to-read--d03972-Vista also gives Microsoft add/en

Vista also gives Microsoft additional powers; for instance, Microsoft can forcibly install upgrades, and it can order all machines running Vista to refuse to run a certain device driver. The main purpose of Vista's many restrictions is to impose DRM (Digital Restrictions Management) that users can't overcome. The threat of DRM is why we have established the  Defective by Design campaign.