Bitcoin since it appears and after the silk road business were just conected to ilegal activities ,but fiat has being used for the same thing.
People said about gold as well being used for illegal activities like drug smuggling and so on but since gold is a legal commodity, such articles are ignored while bitcoins only suffer as they are not regulated by the Government.
Till the Government doesn't find a solution to this, we shouldn't lose hope and continue promoting bitcoins on our blogs or on other forums.