It isn't. Because when they started, there wasn't any "outer" platform the speak of. The platform underlying SAP is essentially an way to have mainframe-like de

It isn't. Because when they started, there wasn't any "outer" platform the speak of. The platform underlying SAP is essentially an way to have mainframe-like development environment (updates of almost anything without restart, declarative UI library, minimal overhead for inactive users...) on something that isn't a mainframe.