I don't see why people don't trust those scientists. They have more understanding of what they're doing than the people against the LHC do.
Also, Nostradamus is an idiot.
EDIT: And taking risks is what life is. If we don't sometimes take risks as a whole human population, we'll never advance.
EDIT2: And why not start looking into traveling to other galaxys? Our solar system, as we so far know it, has shit all in it apart from us. If we want to find something interesting out there, we have to go WAY further.
We haven't conquered our Solar Sytem yet
What is there to conquer, really?