Every database I’ve seen so far grows into a state that makes relations necessary. Earlier or later those become more and more atomic and then systems like Mong

Every database I’ve seen so far grows into a state that makes relations necessary. Earlier or later those become more and more atomic and then systems like MongoDB will make you suffer. Redis is awesome for caching and cache-like situations. Just start with Postgres, or any other SQL DB that offers proper types for denormalized data like JSON. Why is everyone shying away from SQL anyway?