PUTZHO SHARD: The plan was to hide the Oafan people from the Pa'anuri, those non-baryonic creatures you called "The Lightless Wind."
When galactic civilization imploded, you decided to hide the Oafans from all the regular baryonic folks, too.
And then, as an extra layer of security, you hid them from yourself.
IAFA: Right now I'd feel more secure if I could hide myself from them.