The Doctor frowned and looked at the ground, apparently seriously considering the question.
... If you really wanted to piss off Ombra, He said finally, Then you'd build an absolute dictatorship maintained through falsehood. Big Momma would be particularly adept at this - she could easily rewrite her subject's memories to view her as nigh-deific, create favors whenever she needed them and falsify their pasts to make it seem she improved their lot in life, even if she makes it worse. And with her proxies she could easily fake being overthrown...
The Doctor was quiet, then his eyes shot open wide and he rose up. Oh hell... You need to leave Free Port. If she gets a hand on any of your minds...