DRM and related technologies are an effort to wrest control of devices away from their owners, and give control the manufacturers and software companies. For managed devices, this is a bit more reasonable (a school should be able to manage its devices I suppose) but the technological framework here also eliminates software freedom.
[1] https://support.google.com/chrome/a/answer/7532419?hl=en [2] https://bugs.chromium.org/p/chromium/issues/detail?id=895462