Exactly. When NoSQL "honestly" say, oh nooooooooo we're not replacing the traditional RDBMS approach, this is anything but honest.
It's like me building this suspended-rail system for inner-city transportation. Oh noooooooo I'm not replacing traditional cars and bicycles!
the way you get acceptance is by faking honesty that you're not at all replacing the traditional approach (that you're replacing.)
The power of PostgreSQL occurs from the power to ignore the relational model and take other approaches when it is helpful.