I cant say that the government are the main enemy for bitcoin. Though there's a group of government who support it in many ways. There will be no legalization in country without governments take place in it. In case of china, the governments are view bitcoin as a threat to economic crime. So I thought perhaps the altcoin is the main threat for bitcoin, not governments. And I also looking a bank as the bitcoin enemy because I've heard that they already declare a war againts cryptocurrency.