updating on “the 50th human exists”
That doesn’t happen either. Observing something doesn’t tell you it’s a priori probable. (But you could update to considering only the worlds in which you “exist”, that is the worlds that you potentially control.)
That doesn’t happen either. Observing something doesn’t tell you it’s a priori probable. (But you could update to considering only the worlds in which you “exist”, that is the worlds that you potentially control.)