I think the core issue here is not the quality of marketing , but simply the fact that it exists. People need some database, and nobody is spending money on adv

I think the core issue here is not the quality of marketing , but simply the fact that it exists. People need some database, and nobody is spending money on advertising Postgres, so they don't know anything about it. Also Mongo wins by a large margin on "how little you need to know to get started" with any relational db.