The question is to any supporter of Rand.
What is it so great we are supposed to take from Atlas Shrugged?
That we had better beware because those with the most money, power and privilege already, might rebel because they want more?
A point you might take away from it is that political power and economic power are two entirely different things.
The "traders" as she called them only wanted what they had earned. They didn't want their neighbor's profits, they wanted their own profits. The "looters" as she called them more accurately fit your perception of her "traders" as they are the ones who always wanted more of what everyone else had.
Orren Boyle and Hank Rearded were both manufacturers of steel. That is where the similarity ends. The difference between the two is perhaps something you might take away from that book.