Probability underpins AI, cryptography and statistics. However, as the philosopher Bertrand Russell said, “Probability is the ...
In the abiogenesis case of interest, it's the same thing. The existence of life on Earth is old evidence and just like in the conception analogy the probability that abiogenesis is easy is much more ...
Having life be a little bit more rare doesn't really help with the Fermi Paradox. The universe is simply too vast for a even a few orders of magnitude change in the probability of life to be the ...