Well Simula was developed specifically to model real world problems. And when they had invented it they found it much more useful than that which had preceded i

Well Simula was developed specifically to model real world problems. And when they had invented it they found it much more useful than that which had preceded it. OO is not supposed to model nature. It's not string theory or whatever other incomplete-yet-closer-to-reality-than-oo model that physisicts use.