Exactly ! Apart from the "Mental model" and "superior ?" organisation of your "objects erm entities", there is a definite "cpu execution" advantage as well. Hav

Exactly ! Apart from the "Mental model" and "superior ?" organisation of your "objects erm entities", there is a definite "cpu execution" advantage as well. Having the different system "execute" over items which is basically just data, helps keeping the data local and in the cache.