[Why is he encouraging this again? ...why does he need a reason to encourage this kind of thing again? If there's two things Peter can appreciate, it's talking incessantly, and the ability to have all the answers or get in a really great "I told you so.".]

Well you've got to give the people something to argue about. You know, generally call into question your credentials and your logic and why are you picking Earth history over Skrull history when they were the first to go there and they did something with it. Don't show your hand all at once. That way you're not dishing out answers to questions nobody's asked yet when you don't even know what the questions are, or you'll use up all your ammo.