Sure.
Let's exploit all the people who "are not smart enough to take care of themselves", earn profit on their expense and call it an idealism.
I guess it's safer to invest your money in this company:
Apartheid for Diamonds: How the Jewelery Trade Enslaved Millions of Africans - AnonHQ AnonHQ
Edit: I don't know a single worker who is prepared to invest money in the system which abuses him. Line is drawn there.