Looking at the all the other race chains the average exp to energy ratio is around 2.2 and now with some of the new weekly chains uldri, litheor, alari.. even lower than that. The Taltherian Chain has an average exp to energy ratio of 2.49 for the whole chain, which is significantly higher than the other missions. With a neural interface rsl implant and race changing to a human it's easily within the realm of possibility that someone who can autorank on npc's could autorank the Taltherian Chain. Did Dan do this purposely? None of the other race unlocking chains could be autoranked so easily.

No. Autoranking in general is an unforeseen consequence of how Dan set up the game in the beginning. He never intended for people to essentially have infinite energy (and said so a few months back).