[jd_mongodb]

Technology selection is a black art in many companies. Sounds like people were open to listening to the opinion of a developer in your case. Often-times the selection heuristic is habit or history. The right companies will pay more attention to reasoned arguments of their own developers.

[NegativeLatency]

The wild part about it was that they were trying to use elastic search for relational queries because some manager thought it would be faster than a relational db. (It was about 60x slower)