You need to look at what Aussies are doing when it comes to letters in the mail demanding you cough up $$ for downloading specific content.
Laugh - Tear it up - and continue doing what you are doing!
They send you a letter demanding money - but you have absolutely no legal obligation to pay it - especially if the company is based outside of your country.
You can be an idiot and fall for their threats and cough up - or you could learn a bit of the law and realise it's just empty words and threats that you fell for