Everything you listed here are things that have been carried out in a massive scale even before the advent of bitcoin. The entire hard drugs in history has been estimated to worth more than the entire crypto market capitalization at some point and that was when bitcoin or blockchain have not gain ground at all. The point is every development would always be exploited for good and bad because individuals are involved. Its now the responsibility of the law enforcement agencies to ensure that activities against the wellbeing of the state are not carried out through such means.