Aww, humans conquering Cybertron? Drift finds the idea so quaint he can't help but laugh a little, but in a good-humored way.

"Well, there's not munch left to conquer here, I'm afraid..." And at that, his expression grows a little heavier, the smile fading somewhat. "I wish I could say the sight is totally unfamiliar, but the Cybertron I knew looked something like this once, too."