People must understand that Bitcoin isn't anymore the plaything that it was years ago. Every exchange will face difficulties if they don't properly register their activities - especially when it comes to allowing people to exchange/trade crypto versus USD. If an exchange isn't willing to go through whatever is needed to be allowed to run a platform that involves USD, it will experience what BTC-E has gone through, what Bitfinex is, or will go through, Poloniex, etc. BTC-E however is reported to be involved in the MtGox theft back in the days. I don't like the government shutting exchanges down, but in case of BTC-E, if they are really one of the master mind behind the MtGox theft, may all involved entities burn in hell.
Its true that the coming days will be difficult consodering the attention and the law making process that is in process at this time but at the same time, its does not mean the end of bitcoin because most of the laws being referenced to, are talking about regulation rather than shutting down which means that a lot of people will still very much involved while those who are fond of using the technology for illegal means will have to look for something else. It might not be black and white as painted but its a possibility.