Re: Orci, Kurtzman and Lindelof should not Return.
TOS said "Under his rule". Which tells his nothing of the nature of his rise to power.
Spock also says that records of the time were "fragmentary". Which means they would likely have an incomplete picture of Khan's rule.
"I tell you what you all need, you need to take a thirteenth step, down off your high horse." - Hank Hill, King of the Hill