Not having looked at this extensively I don't see what about it is more compelling then just using my own servers with git-deploy or a similar infrastructure. I

Not having looked at this extensively I don't see what about it is more compelling then just using my own servers with git-deploy or a similar infrastructure. If i am going to run Ops i want to run Ops. If I am going to outsource it I want to outsource it. This seems like a middle ground that doesn't add too many compelling features to the party.