We need to understand that the illegal activities like drug dealing, terrorism, money launderung etc have existed before and that is not smart to connect all of them to the creation and development of the bitcoin. Like saying the bitcoin is the only evil thing in the world does not make any sense.
Saying drugs is only for criminals but the fact it is also being used in medical surgery, it is called generalizing.
Even fork is dangerous in then hand of murderer, and knife is good in the hand of cook
Dont blame the tool, blame the users