Bitcoin is a simply a better form of money. Once it has reached full scale, probably within 10-15 years, you'll be laughing at how we used to get our money from government. Why would you want USD when you can have a decentralized, limited, censorship resistant form of money? Governments will soon lose all power over citizens. Taxes will no longer be forced, they'll be voluntary, because there will be no way to enforce the tax code. What does that mean? Less bloat, no more entitlements, no more wars. I'm pretty sure my definition of capitalism is different than yours. Capitalism to me is absense of state. It is not simply privatization.