The multiverse theory has gained popularity as, among other things, a way to explain our universe’s apparent fine-tuning for life. Against the theory, many argue that while the multiverse could account for life in some universe, it fails to explain why there is life in our universe specifically. But, as Quentin Ruyant argues, both sides of this debate fail to appreciate one crucial thing: the context in which we observe life. While there are valid reasons to reject the multiverse, the “this universe” objection is not one of them.

The fine-tuning argument for the multiverse