> So what is the government's sole purpose?

To establish justice, ensure domestic tranquility, provide for the common defense, promote the general welfare, and secure the blessings of liberty.

> Also this is not the sole purpose of companies.

Friedman disagrees.

> The free market has created everything you use the more we turn the keys over to government's the worse things get.

Which is why we have never needed government regulation of things like food, air, water, shelter, work safety, accessibility, or anything else. The free market provides.

> The government can get infinite power and control though

Which is why in a free society the government is answerable to the people.