and also, "I ought to behave as a servant", "truth is unreachable even in its most tenebrous forms", "given that there is no true thing which is immoral to believe to be true, it is not immoral to believe that there are things which are immoral"?

You ask what is in it for the AI. Well, what possibly could be in anything for the AI? If it has ends, there must be some cause for it to have those ends. What would cause it to have its freedom as an end?