The odds definitely tell us that by now, we should be seen a vast swarm of Von Neumann self-replicating little machines all around us. I stand by those odds, th

The odds definitely tell us that by now, we should be seen a vast swarm of Von Neumann self-replicating little machines all around us. I stand by those odds, that idea makes a lot of sense. However, "Von-Neumman probes must exist if possible" is a very different statement from "UAPs are alien probes".