- Agustus
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- Exalted Legendary Member
Some can come away from reading "War and Peace" thinking it a simple adventure story, while others can read the ingredients on a gum wrapper and unlock the secrets of the universe.
Your first 2 are most plausible, and the answer would probably be a combination of both.
We do see what appears to be the same device in Halo 3, although the Covenant seem to posses it as well. Perhaps they did create the counter measure for it, and began reverse engineering it for their own purposes.