We also don't even know how likely life is to arise at all. Abiogenesis could be a freak accident with a 1 in a googolplex probability, rendering us (Earth) a f

We also don't even know how likely life is to arise at all. Abiogenesis could be a freak accident with a 1 in a googolplex probability, rendering us (Earth) a freak accident, a la the anthropic principle. We just don't know.