Those are usually called STOs for people who make the final call, not DRIs, from what I saw in my tenure there. The Amazon doc is a great concept when there are single threaded owners, however Amazon also has had culture and growth issues where “alignment” (like Google) became more important as team and orgs grew with multiple doc “owners” in direct contradiction of what Bezos used to preach so it just becomes design by committee for new features and products. Org dependent of course but I think that was the Day 2 culture seeping in as Bezos moved on and the company grew.
