It's beneficial for consumers because businesses can charge less for their products since they're don't have to account for as much shrinkage. I know at least one business that charges substantially less for crypto transactions because of this.
This is a microcosm of most of my issues with crypto discussions. In a (quite naive) vacuum, the arguments sound great. If you wanted to run Earth 2.0 with crypto, have at it. It doesn't fit in alongside the existing systems and, by the time it becomes "the main system", you can be certain that those in power have modified it to have the same issues as the original system we all hated.