This is the Boltzmann Brain paradox -- given this probability system, it's much (not going to say infinitely... but practically so) more likely that your percep

This is the Boltzmann Brain paradox -- given this probability system, it's much (not going to say infinitely... but practically so) more likely that your perception of this moment is a fluctuation in chaos than that the entire universe as you perceive it currently exists. The parallels to the simulation argument/doomsday hypothesis are, I hope, apparent.