Eh, this isn't accurate. Both Redshift and Aurora/RDS are used heavily by a lot of teams internally. If you're talking specifically about the primary data store for live applications, NoSQL was definitely recommended/pushed much harder than SQL, but it by no means required CEO approval to not use DDB

Edit: It's possible you're limiting your statement specifically to AWS teams, which would make it more accurate, but I read the use of "Amazon" in the quote you were replying to as including things like retail as well, etc.