I don't think it matters that much. Open protocols are typically in for the long run, and will end up replicating the feature set of the most popular proprietar

I don't think it matters that much. Open protocols are typically in for the long run, and will end up replicating the feature set of the most popular proprietary ones. And the best thing is that they are generally free to pick the best ideas from various places. One issue is adoption, but this is something that can be dealt with eventually.