If browsers didn't natively support DRM then they would have to come up with external extensions (such as Flash) to support DRM.
DRM isn't going away.
DRM isn't going away.
The media ecosystem is not going to be enhanced by making DRM more restrictive. Netflix could completely deactivate all DRM today, and it would change nothing.
Apple completely abandoned their "FairPlay" iTunes music DRM because it became evident that it was not needed.