Device manufacturers. Play nice, or we won't grant you the magic pixie dust to play our content in glorious 4k.
Here’s an old article claiming to be a big revelation, but it’s pretty much common sense and has been fairly well recognized for much longer than that:
https://www.zdnet.com/article/google-engineer-drm-has-nothin...
Not entirely, actually, thanks to the Internet Archive!!!
https://web.archive.org/web/20190119000840/https://plus.goog...