It's not that nobody told the director. It's that the director knew nobody cared what was actually in the show as long as the end product moved units on the shelves.
It's part of the reason the names are so wild. He was actively pushing the envelope with outrageous names during pitches to see how far he could go before producers would stop nodding along without paying attention.
Those names include "A Baoa Qu", "Gelgoog", and a variety of insane character names that sometimes sound cultureless yet futuristic like Bannagher Links and sometimes are just "M'Quve" or "Full Frontal".
It's part of the reason the names are so wild. He was actively pushing the envelope with outrageous names during pitches to see how far he could go before producers would stop nodding along without paying attention.