I agree. Ben is a total fibber. I think Ben knows very well that Locke is "not the one", but supported the idea of Locke as the leader in everyones mind because he perceived that Locke is open to manipulation. Basic rule of politics - if you have to give up power, do your outmost to ensure your successor is less competent than you are. That way, they'll beg you to come back. I think Ben plans on returning. It's not like he has anything else to live for, other than the Island.