Yep...if this thing generates a black hole that would really suck.
Try again - Before the first atomic bomb was tested, a minority opinion was that it would unleash a chain reaction that would destroy the world. I have experience with linear accelerators (free elcetron laser & neutral particle beam accelerator) as part of my day job, and I'm pretty excited about the LHC. Again, the creation of myriad mini black holes is is a minority opinion.