If the test of a technology/codec is its ability to transport pornography; I'd say this is being successfully adopted via webm.
http://blog.4chan.org/post/81896300203/webm-support-on-4chan
http://blog.4chan.org/post/81896300203/webm-support-on-4chan
Overall the licensing structure and costs are reasonable IMO except that software decoders that are given away for free shouldn't incur licensing costs.
This whole weird misadventure Google has embarked on will be abandoned sometime soon. There simply is nothing to be gained from it.