Not anymore. With the imminent dollar crash, starting a business in the US now is suicide in the long run. When the dollar crashes, thousands of companies and millions of families will be wiped out financially.
There are better opportunities in Europe and Asia. Countries there generally run more stable economies.
Seriously it still is a land of opportunity compared to other countries. Illegal immigrants come to this country not looking to become rich but just looking to make minimum wage here which is nearly 10 times what they make in their country. Sad but true.