How about news? Look at what Paris looks like right now with a small minority of "aimless youths" and multiply that by 1000x
Watching news can distort your perspective very quickly.
The point is people that believe the world will be stable in the future are more apt to build a stable future. If everyone is watching the news and they believe the future will be unstable, then the future will become unstable as a self fulfilling prophecy.