"What evidence is there for Poloniex being a "fake exchange"? I don't - it's a subjective opinion. People don't need to prove opinion's Smooth, this is basic argumentation.
Actually you're very much wrong in this regard.
Basic argumentation is the art of backing ones argument up with some type of source or logical reasoning.
Stating a baseless opinion without even attempting to strengthen its assertion with some reasoning doesn't make for a very convincing argument.