So the rule was, if there's a dog, you should be able to pet it. And this got dumbed down to, you should add a dog so it can get pet. No, you misunderstood. The point is your interactions should reflect the reality of the game space; it's bigger than dogs, it's about whatever populates the environment. If there's a couch, you should be able to sit on it. If there's a light switch you should get to flick it. Anyway if you equip a hat in Death Stranding 2 you get a choice