It's meaningful in the same way that the illusion of free will is meaningful. It provides a lense through which to view the world. For instance, take a heinous

It's meaningful in the same way that the illusion of free will is meaningful. It provides a lense through which to view the world. For instance, take a heinous crime and assess it first through the lense of free will, and then swap in a deterministic universe and watch the criminals become victims.