And if you're denying that we're greedy, you're just pushing that trait into the "undesirable" bin, a personal shadow, from which it comes back in subversive, sinister ways.
Discussion
Greed (avarice, covetousness, excessive desire for goods or power, or love of money) is always bad. It breaks one of the Ten Commandments.
http://www.scborromeo.org/ccc/para/2536.htm
Someone who cannot engage in capitalistic endeavors without falling into greed, should abstain, to avoid the occasion to sin.