Your account was created 4h ago, so I really do not know if this response is for real or just trolling. The CloudStack offering was one of the few that got traction in the marketplace and had several high profile production deployments, including major telcos, Zynga and GoDaddy. You can discuss many other aspects, but in terms of maturity it has always been ahead of the rest of private cloud implementations (and that was one of the reasons for the Citrix acquisition)