Keep in mind that the U.S. government is run by some of the most ruthless capitalists in the world. Obama was financed by Goldman Sachs. His advisors include some of the richest and most ruthless Wall Street advisors and asset strippers.
It isn't the buying power of the middle class that fuels capitalism rather it is capitalist expansion. Capitalism must constantly expand or it will ultimately collapse. That's why "recession" and "depression" are the two most feared words in a capitalist system. That need for capital expansion is why we are killing people in the Middle East today. Imperialist war is the end result of capitalism.
"Imperialism is the highest stage of capitalism." -- Lenin
Nope. That's why they're trying to destroy it, in the name of fairness, and a "level" playing field. Kill the golden goose for a few rotten eggs.
Liberalism at work.