(Another Parfit-like point is that the categorical imperative can have basically the same effect, but in that case you’re limited by this incredibly slippery notion of “similar situation” and so on which lets you make up a lot of bullshit, rather than by whatever population you decide is the one who gets to define morality. (That said I still can’t believe Kant didn’t deal with that gaping hole, so I suppose he must have, somewhere.))
(Another Parfit-like point is that the categorical imperative can have basically the same effect, but in that case you’re limited by this incredibly slippery notion of “similar situation” and so on which lets you make up a lot of bullshit, rather than by whatever population you decide is the one who gets to define morality. (That said I still can’t believe Kant didn’t deal with that gaping hole, so I suppose he must have, somewhere.))