It started with a gist and a lively Hacker News thread. The premise was simple: Postgres isn't the best at everything, but it's good enough for most things. In practice, most teams are running too many microservices and databases. It's all premature optimization. More operational overhead, more maintenance burden, more monitoring complexity, higher costs, harder tracing, and longer debugging sessions. The Typical Pattern You need caching, so you add Redis. Full-text search? Bolt-on Elasticsearch...