>>41360743
Because I'm showing you real numbers instead of just telling you what you want to hear?
It's not a craft, but it's likely not just made of rock either. With the size, speed and presumably mass of the thing, if the trajectory were slightly different it could easily end all life on Earth, and there's nothing anyone could do about it.
I think glowies would rather get people talking about aliens so they can take advantage of it for some blue bean shit instead of worrying everyone might die.