Yes, but only because they lag behind Google in this regard. Companies embrace and propose open standards in the areas they don't dominate. As soon as you hit a core competitive advantage, they get as closed as possible.
There aren't better social networks out there that would thrive if only they had better network switches.
[1] Here is one less than a year old: http://www.morganclaypool.com/doi/abs/10.2200/S00516ED2V01Y2...
[1] http://googlecloudplatform.blogspot.com/2014/04/enter-androm...