Maybe I missed the point here, but firstly, browsers are free to choose to implement some parts of the W3C recommandations right ? and secondly, if the browser

Maybe I missed the point here, but firstly, browsers are free to choose to implement some parts of the W3C recommandations right ? and secondly, if the browser you use is implementing the DRM constraint, it's just a browser level restriction right? That mean you can either use a plugin that will fetch the blocked content or use an other browser to do it ? This is doomed before being born (or I missed something).