Assassin's Creed Odyssey helped shape Star Wars Outlaws because its director "could pick up the phone and talk to" Ubisoft's other devs about the technicalities of shaping their open world
Star Wars Outlaws' open-world planets are about the same size as three Assassin's Creed Odyssey zones stitched together - and that peculiar measurement tool was established because Outlaws' director could pick up the phone and ask the Odyssey team for advice.