But , uh , one of the reasons I have him messing around with that , because I think it 's sort of an open question that we don't know the answer to. People always say very glibly  that i if you s show improvement on a bad system , that doesn't mean anything , cuz it may not be   show  uh , because , you know , it doesn't tell you anything about the good system.
Mm - hmm.
And I  I 've always sort of felt that that depends. You know , that if some peopl If you 're actually are getting at something that has some  conceptual substance to it , it will port.
Mm - hmm.