First of all, you agree that the probability is non zero right? I am not a world known expert on xrisk to estimate this. You are not either. We have all these

First of all, you agree that the probability is non zero right? I am not a world known expert on xrisk to estimate this. You are not either. We have all these people claiming the probability is high enough. What else is ti be said? HNers shouldn't be reminded "trust in sciense".