While I agree, you might be able to argue that the hits on an obscured port (24 in this example) come from more experienced hackers who would be more able to co

While I agree, you might be able to argue that the hits on an obscured port (24 in this example) come from more experienced hackers who would be more able to compromise your box. And potentially having a non conventional SSH port might be attractive. I.e. Whatever's behind this hidden door must be more valuable than what's behind this obvious door. Overall though I think it would increase security... just might attract some trouble too.