thanks @jrcornel
surprised to hear such a positive statement about Bitcoin must have something to do with "bitcoin sign guy" probably the most coverage since mount gox.

Impossible to ban Cryptocurrencies anyways they dont exist in physical form or on any servers,they exist at their location in a wallet using the internet to change hands.
To ban would have to either shut down the internet which would only stall as networks could be built outside the internet from the ground up,
only possible way would be to seize every wallet every miner and control the ASIC chip supply which bar the wallets wouldnt be too hard.

on criminals using Bitcoin, criminals use all forms of mediums to exchange value bitcoin probably being the least since the total supply wouldn't even cover 10% of world drug trade, i would say the order of most used to least would be Cash,Guns,Gold,Bitcoin

basis of that is supply of guns gold and bitcoin is limited, cash is not.

I think the that minor things KYC would only help the Crypto sphere reach mainstream adoption like the surge in Japan as an example,can always be voted out in the future when governments are replaced with DAO's.