There are ways to engineer around that, but it's always been a cat and mouse game. My point is that it's a side issue; ad blocking doesn't have much to do with

There are ways to engineer around that, but it's always been a cat and mouse game. My point is that it's a side issue; ad blocking doesn't have much to do with having an "official" DRM spec. You can make ads harder to block without it, and you can probably still find a way to block ads with it.