Oh, Neteller will pull out, this is 99% sure. They are a publicly trade company, so they will have to pull out (if they have to). The fact is that the law is putting too much pressure on the banks, and nobody knows what will happen, but one thing is for sure – you will always be able to deposit with your credit card one way or another.
If webmasters worry about payment methods – you can survive with the check option from the aff. programs. As a matter of fact – Referback is one company already sending checks in Euros…