...
The bolded bit - that's down to normal security precautions. If you have been messing around using VPN's and whatnot, they HAVE to put in delays because they have no idea whether the next time there is going to be a genuine problem, and guess what, if there is, they'll be the ones blamed.
If you don't like Poloniex, use another exchange!!! There are loads of other exchanges out there, pick one, stop all piling into Polo and then moaning.
I think they think if they complain and pile on then things will go back to what it used to be before Polo was Abiding by banking regs. It will never go back and if those that have dubious accounts left all their gains on polo then they are going to have to wade through the hassle of getting those coins off. It's not like they didn't have any forewarning of this. I guess they were just to greedy and didn't do the smart thing when they had the chance.