For many governments that like to control their people and do not want their people to be free to make their own choices respecting the law, they use these arguments that bitcoin will be used for crime, but they forget that the biggest criminals are these governments, who do not want to let their people be free to make their own choices. In my country the laws are approved only to benefit the corrupt politicians who are in government and in many countries it has been this practice. Bitcoin will have to face many obstacles to having a mass adoption