It doesn't really make sense:
1. We will be crediting users who had BTC in their account balance at the time of the fork with matching BCH.
2. We have not yet determined if we will be listing BCH as a market on Poloniex nor can we commit to supporting BCH withdrawals right away.
If I get BCH but can't trade it (on a trading platform..) and can't withdraw it (on a trading platform..) then what can I do with my BCH?
BCH withdrawals "right away"
"right away"
"right away"
"right away"
"right away"
"right away"
I think what he is trying to point out is that it is poor planning on poloniex's end to release something that has no purpose. A better move on poloniex's part to keep things simple would be to only release BCH when they are actually really ready to have it traded/withdrawn.
They are saying that they can't commit to supporting BCH withdrawals right away. That means that they will, but maybe not right away. So, no. You CAN withdraw, but maybe not at the time they will list.