Both the enforcers and the black marketeers can see the parts of the black market system that failed.
Bitcoin provides a money trail for the enforcers when the black marketeers make the inevitable mistake, and for the black marketeers the DPR private Bitcoin hoard remains secure even from arguably the most powerful entities in the war on drugs, and may remain so forever with zero counterparty risks.
The Silk Road takedown is solid proof of Bitcoin's security and utility. Bitcoin failed no one. It is the innocent bystander.
Hey, no ones doubting Bitcoins security, just doubting wither the black market which Bitcoin used as a spring board to it's current high value is as secure as people once thought. Folks who use these websites will probably be worried about any Law Enforcement follow through relating to purchases they made on SR, the possibility of new black markets being honeypots and the trustworthiness of these sites.
We are just discussing the potential impact of that massive btc user base being greatly disturbed and its possible influence on the price of btc.