Agreed. And yet it is encouraging to see the continued investment and upstream engagement by Facebook and Mozilla. (I knew Facebook and Mozilla were heavily inv

Agreed. And yet it is encouraging to see the continued investment and upstream engagement by Facebook and Mozilla. (I knew Facebook and Mozilla were heavily invested; I'm not sure what Google's involvement is since code.google.com was abandoned.) Things could get more competitive in terms of global mindshare if more Facebook engineers (some of whom the OP mentioned have forgotten how to use git) start speaking out in favor of Mercurial.