Alien 1: Wow. They really fucked this place up, didn’t they?
Alien 2: Sure did. And not a trace of them left!
Alien 3: Crazy! And it only took them 400,000 years!
Alien 1: Even bacteria has done a faaarrrr better job at surviving on this planet than they have – and that’s a fact! Egotistic fools!
Alien 3: …. Well, looks like this is ours for the next 3 million years…