State governments are not "the US government". If someone says "the US government", they are either referring to the federal government, or need to do a great deal more research before speaking about US governance.
[0] http://www.bop.gov/about/statistics/population_statistics.js...
And that's just drug policy. Abuses by Federal agencies are numerous across history into the present day, and have often taken place on a grand scale:
FBI misconduct: http://en.wikipedia.org/wiki/Fbi#Controversies
CIA misconduct: http://en.wikipedia.org/wiki/Cia#Controversies
US Military Interventions since 1890: http://academic.evergreen.edu/g/grossmaz/interventions.html
[1]http://en.wikipedia.org/wiki/War_on_Drugs
[2]http://en.wikipedia.org/wiki/United_States_incarceration_rat...
Besides waging bloody, unnecessary war (War of 1812, Mexican War, Spanish American War, Vietnam War, Iraq War); instituting explicitly racist immigrating policies; waging a disastrous War on Drugs at home and abroad; instituting protectionist trade policies on behalf of rent-seeking corporations and unions; busting unions; interning thousands of innocent Japanese Americans; the mass expropriation from and relocation of thousands of Native Americans; and hundreds of less memorable abuses, not to mention its complicity with several of the ills you mentioned, yeah, sure, "pretty much the only thing" the US government has done has been protecting us from "the tyranny of private businesses".
I was involved in planning for a 200-year commemoration of the War of 1812. We invited the U.K. and Canada, amongst other nations, and they were glad to send representatives to the commemoration, despite the fact that the U.S. was at war with those 2 nations in 1812.
I responded to what you wrote, which had no such qualification. And I mentioned several domestic policies.
> So your defense of Google
It wasn't a defense of Google, it was a criticism of the government and a correction on what you wrote.
> Of course the government fights alongside capitalists most of the time
Which is one of its problems.