Basically, unless you are writing a browser with decent marketshare, you defacto have no voice in making the standards. Basically, the only voices that matter are Mozilla (Firefox), Apple (Safari), Google(Chrome), and Microsoft (Edge/Explorer). Despite what any standard says, web developers are going to go by the behavior of the browsers do. The only company on the list of browser makers that really has any desire to…
This is really the issue. If we could convince media rightsholders that DRM is harmful and unnecessary then all of this heartache wouldn't be necessary. I don't expect this to happen in my lifetime. Any slight glimmer of hope from Apple ditching DRM on iTunes has died as nobody else shows the slightest interest in following their lead.
iTunes movies still have DRM. Arguably DRM free audio had extremely little bearing on the future of video, given the very different demands of each marketplace.
Remember also, that with a few exceptions (Sony rootkit anyone?), music had a long history of being DRM free before digital distribution came along (vinyl, tape, CD etc). Video distribution by contrast has a long tradition of many copy prevention "solutions" over the years on many different physical formats.