On the contrary, we are the planet's only hope
The planet is going to die anyway, when the Sun dies. But it is our mission to create new planets around the galaxy similar to the Earth. Planets that would indeed be children of the Earth. We are the seeds.
You mean, we'd look for new planets to corrupt and suck the very resources from, new seas to pour our turd into...
~Dosen't know why, but remembers a scene from Chrono Trigger~
Frog: Ah, sir Slush!
Slash: That's Slash, you slimey dolt.