User blog comment:Richard Starkey/Ra'zac vs. Aliens/@comment-76.191.133.247-20110520031920/@comment-181289-20110520035317

That's debatable, Aliens have shown on multiple occasions to be very intelligent. intelligence aside the Ra'Zac are around human levle intelligents, and being smarter didn't help humans or even some Predators when it came to the Aliens