One of the greatest farces in American politics is conservative ideology is better for business. Now, of course, a reinvigorated GM is so popular in the Midwest, that the regional Republican leaders who piled on President Obama for saving it are going to pro-GM rallies, touting its success under their tenure.
Economies work best when governments support high value companies. Every successful developing and developed country has done this. None are laissez faire, especially the United States during its development in the 1800s-1940s.