But some people should stop being greedy and look at how BTC can benefit them and the people around them in the long run.
Long term greedy is still greedy. 
Like the socky said, Greed is good.
You name it, probably wasn't greed. Facebook, Internet, Google, whatever.
Facebook: Built to make money. GREEDInternet: Built to insure government structure would survive nuclear attack. Not greed, something much worse: lust for power.
Google: Built to make money. GREED
Bitcoin: Built to literally make money. GREED