I can tell you've not met enough autists in your life to think they aren't capable of lying. You realize there are multiple levels that range from "kinda wierd" to "slamming their forehead into a wall all day?"

I don't doubt he meant it, because he lacks the emotional capability to not think in pure numbers like an autist. He has no loyalty to this land, or these people, or anything that isn't his autistic obsessions. Its why he keeps breeding kids that he has no intention to raise.