In 2017, it seems unreasonable to say one should have to resort to sending paid postage (from Australia) to simply get in contact with a company who has stolen their work.
Control-F "Do you like paper trails? I like paper trails. I particularly like paper trails where the United States Federal Government attests to the exact minute your firm learned the contents of this letter." (hat tip to patio11)
This seems like something we ought to be able to do electronically. I should be able to encrypt a message with recipient's pubkey and a verified timestamp from NIST (for example) in addition to my digital signature, with a requirement for decryption to result in a second call to NIST from the recipient and a record available to me of when it was decrypted.
If you expect someone to take your demand of payment seriously, you should do your best to make a serious request. Calling a customer service agent is almost the worst possible avenue, even an angry tweet could been more effective.
He asked customer support where to take his complaint, not to address his issue. They sent him to the pr email, if he was given the corporate contact he would have gone there.