This is Christian band Mercy Me's song "Crazy." They don't see that the problem of evil lurks in the background with the video clips at the end. Why would they wish for heaven when God can't get it straight here on earth? And if their faith is "crazy" and not according to "wisdom," why would they ever want to believe in something stupid or unintelligible in the first place? This is wish fulfillment at its very best and one of the reasons Karl Marx called religion "the opiate of the people."
Here's another one from them; they are clearly anti-intellectual:
Thanks to Jon Curry.