No matter how low the probability of life arising by chance, from the perspective of life the probability that it happened is 100%, because if it didn't happen then we wouldn't be around to observe it. We're operating from a massive selection bias.
The probability of it happening by chance alone is not known though, in the technical sense of the word. In the colloquial sense it is though, which makes for a very interesting situation here in 2024, and prior.
