Some powerful economic and historical arguments here, and what governments could do to defeat Bitcoin...

http://moraluniversal.com/en/why-bitcoin-cannot-win/

"Money is the product of society, just as Bitcoin is the product of a society of computers. Money needs the greatest human network to succeed, just as the Bitcoin blockchain needs the greatest computer consensus. This network and consensus, however imperfect, is ultimately provided by the state in modern societies, just as it was the case in the many cases of recoinage and remonetization throughout history. For as long as we have states that strong and accepted by people, for better or worse, Bitcoin will remain a substitute currency."