Well I saw the Gekko person on the SBS show. I think he was kind of 'cut off' by the host before he could fully explain his interpretation of 'greed'.
In any case some things I think about regarding greed.
1. We should not feel guilty about making money or even large amounts of money.
2. What ever large money is earned would require taxes to be paid. The more you earn, the more tax you would be paying (theoretically speaking).
3. Edit: I changed my mind about 'working' the system. I think it is bad to do that. But if it slight and does not harm anyone else then and only then is it acceptable in my opinion.
4. Earning a lot of money means that you have more money to GIVE to others. And I think this is an important thing. If you earn a lot of money you SHOULD give some to charities and help others out. Why not do that?--it would feel really good to help others out who are in need.
5. Greed itself is inherrently BAD. It depends on your INTENTION though. If you want is money and ego, then you're only hurting yourself in the end. Grasping hurts. AND no, people don't CHOOSE to not be wealthy. We are in less control of our lives then most people realise.
I'll expand on point number 5:
What we do in life is dependent on causes and conditions. If the causes and conditions that give rise to wealth are not present or considered then there is very little chance for success. We are shaped by so many things in our lives from when we are children to adults. The world is NOT fair. Suffering is common to all people.
Money is so over-rated anyway. It is garbarge if you have noone to share it with and does not prevent old age, sickness and death. Life sux even if you are in possesion of a lot of money. BUT if you have good relationships with people and can look on the bright side of things then I would guess that life is bearable when it is all said and done. Aging sux.
Sorry for being so negative but yeah, greed is not good.