These planets are also so damn far away that we’d never hear from any ship we could possibly send out there again. Even if we could send information at the speed of light. It would be pointless.

Given that after arriving everyone could just die from some weird protein floating around in the air and you might want to look before you spend the entirety of our economic efforts reaching it… erm, look before you leap.

I'm one of them. Get out of the way with your "precautionary principle" crap.