User blog comment:Arbington/If You Hate Vido Santiago, You'll Love This!/@comment-1786741-20120325212029/@comment-899316-20120325214304

The raloi withdrew from Citadel society when the Reapers invaded. Their society wasn't strong enough to fight, so they fell back to their homeworld and destroyed all their space tech, hoping the Reapers would pass them by thinking that they aren't advanced enough to wipe out.