User blog comment:Falconeye48/Does Bioware think were stupid?/@comment-78.8.245.198-20131027102159/@comment-77.107.190.116-20131028013718

Its clearly explained in Mass Effect 2 that Vigil is deactivated - and as seen in ME1 the rest of the planet it a desolate wasteland. Feros probably has more Prothean tech than Ilos at this point.

-Garhdo