The Illuminati are likely funding this through their fronts. They likely want to attain knowledge or power that will be used to tighten their control over the masses,so they can reinforce their belief they are God like. And if it fails, they don't care if they destroy the world in the attempt.
To the defense of answerbag.com, they never claim that the answers found on their site are correct.
The earth is like a tiny grain of sand, only much, much heavier.