But you can still have a partial ordering for incommensurable goods—if the natural world is incommensurable with money, you can have states that are strictly worse/better, as well as incommensurable ones. And that still isn’t neutral—it’s better and worse on different dimensions.
If many things are incommensurable at least we wouldn’t be doing harm—our actions would often be merely neutral.
But you can still have a partial ordering for incommensurable goods—if the natural world is incommensurable with money, you can have states that are strictly worse/better, as well as incommensurable ones. And that still isn’t neutral—it’s better and worse on different dimensions.