Because unlike the halo season 1 showrunners who outright fucking hated the games and the fans and proudly said it out load nolan actually loved fallout 3 and the world of fallout and wanted to create something special by adapting the games in his own vision and making something unique instead of just fallout but in live action fan service
The Angel Fernandez Leak Fallout: What You'Re Not Being Told
Because unlike the halo season 1 showrunners who outright fucking hated the games and the fans and proudly said it out load nolan actually loved...