In general, the only sector that generates money in the kind of society we have today is the business sector. It's the only profit-making sector. So, yeah, you can't underestimate its role in the economy.

However, it's the government that makes sure this sector thrives. Investors and entrepreneurs can only survive and flourish if the government creates a healthy business environment. So, you can't also underestimate the role of the government.

In every successful society, it's always a healthy mutualism that propels it forward.