User blog comment:Western Gen/Speculations for Season 13/@comment-175.140.58.40-20150206221629/@comment-25540103-20150212005331

They could always animate, but good animations take a lot of time, so it's not very practical. Plus that whole plot with the Prometheans if unnecessary. And Charon Industries should not be able to acquire such new technology. So far, the Prometheans are still a new enemy, and  only the UNSC and ONI have anything Promethean.