"Greed" is a subjective term...frankly...I look at the stock market as legalized gambling...any market where money is chasing something to make more money...becomes over priced subject to crashes...many of us are just average schmucks trying to squeeze out a few extra dollars with our investments in an environment where an exciting bank interest rate may be 1% on your money...a stock market manipulated by exchange funds and bots...inflated by the USA dollar printing press ...and crushed by commodities speculation or strange investment securities like mortgage back split derivatives....so to have something like crypto currency...a decentralized truly "free" market...its exciting...and like it or not...bitcoin was the leader...its basic utility is understood for what it is...its the "base" currency on which all other coins are valued...its long term existence is better known and its become the "face" of the crypto coin market...no doubt other coins as you mention have a much more technically useful future...but just like stocks and bonds have different investment purposes...so can different coins...to each his own...