User blog comment:JoshofBlades/Tiber's Hard Work Shall NOT Be Torn Asunder!/@comment-173.184.68.192-20111221001915/@comment-4692385-20111221034420

I will also add that the Thalmor at the time Rising Threat IV was written were seen as a minority which to me I would assume the Empire felt since they were rebuilding there were more important places to spend their resourses just speculation though.