Naughty, Naughty, very Naughty!
It'll all end in tears though. With the recent Coinbase BCH launch you mention and the insane pump and dump ICO's we are seeing regulators are just waiting to jump on someone and send some people off to jail. This type of behaviour will unfortunately, eventually, put an end to it. Regulation will come in funtime will be over..... well, kind of.
Bring on those decentralised exchanges, people really need to start using them and create a little liquidity.
RE: CMC Drop Korea Exchanges From Their Calculations Dropping Total Market Capital By $100B