They will be satisfied enough to offer HTML5 video. The point is killing off Flash. It is a lot easier to secure a smallish DRM module in a browser than a gigantic environment like Flash.
"Securing" a DRM plugin means "securing" the browser it runs in (otherwise it will be cracked by the browser lying to it about whether DRMed media is being played "securely"), which means "securing" the OS the browser runs on and so on...
"Securing" a DRM plugin means "securing" the browser it runs in (otherwise it will be cracked by the browser lying to it about whether DRMed media is being played "securely"), which means "securing" the OS the browser runs on and so on...