Hi Stan, thanks for your comment! I'd recommend using a real graph database over a "fake" one, in any case. Our mistake in this case wasn't really "we should've used Neo4j instead of Postgres" - our mistake was that we didn't hide the implementation details well enough to make it easy to deal with. It also turned out in the end that the business needs didn't require something as robust as a graph organizational structure.
Regardless of which technology you go with, just keep in mind that you want to make it easy to swap out later if need be.
We're a place where coders share, stay up-to-date and grow their careers.
We strive for transparency and don't collect excess data.