I also see them as equal, but I'd say I'd prefer the one that implies no official endorsement of a closed system by an open standards committee. That Flash also happens to be the one with more adoption is a bonus point.

I think content providers (and users) would gladly retire Flash if they could "lock up" their content in EME instead.

The CDM API should make porting to multiple platforms easier because the browser implements all the non-DRM infrastructure like networking and playback. That said, I don't really expect Linux to suddenly be a top priority for Netflix or Amazon. On the other hand, a CDM is bright red bullseye for crackers. :)