It's just not kosher. And now, the asteroid isn't come and kill us all in some replay of the Dinosaur Clearance Sale. The second millennium could be in 2000, and it could be in 2001. It's not like anything will happen naturally anyways. Even if something did happen, we would never notice it because we will be too caught up in making what we think should happen true.
People cry of massive wars and riots, and destruction.
Well, sure, if everyone is going to get drunk to herald in their death, it's not that far of a jump to think that they will create what they expect. We already know that we're going to die eventually, that's a stark inevitability of life. Most of us are worthless anyways, sludging through life, grabbing porn off the internet, mindlessly pushing papers, or sitting in school being taught other people's thoughts instead of being told to think ourselves. Most people have nothing going for them and rioting and causing a ruckus isn't gonna win them a medal anytime soon. Bo Peep would be proud.