It protects working class wages, safety and unions. Provides roads, education for kids, regulates credit and banking against another 2008, provides health insurance markets and a deduction for corporate provided health insurance and defense jobs in large numbers. It provides the middle class jobs in defense and government, college educatiton, education for kids, health insurance through emloyers and both classes get a decent retirement and disability if they can’t keep working. By the way, most regulation protects the regulated, especially the more established firms.