1.) After i got asked 10239848 times the same question i would answer more rude ;-)
2.) Stop to nerve them at Poloniex. For sure (in my opinion) they list ICN.
They may not have listed it yet because of not reaching a request threshold.
What other excuse could there possibly be?
Dev broke his finger picking his nose?
As the staff stated in the trollbox: Request spam won´t help in any kind.