If you read the terms and services agreement for almost any company you'll find you agree to hold them faultless in these sort of issues. And you'll likely find

If you read the terms and services agreement for almost any company you'll find you agree to hold them faultless in these sort of issues. And you'll likely find that you've also agreed to arbitration in the handling of these matters. I'm not sure though how you feel they are violating copyright law, can you go into more detail on that? Because they basically have the right to remove any content they host at anytime, regardless of if it is copyrighted or not.