The rights holder isn't entitled to stop you from doing what you like; you are entitled, however, to agree not to do things in order to obtain information.
That's what pirating is based on; you've explicitly agreed not to make available content for others when you agreed to purchase the content.
By providing content for pirating, you are breaking your word. Further, by consuming pirated content, you have a reasonable assumption that the person providing you with the pirated content obtained that content through deception, which ropes you in on the culpability of the ethical violation.
Nobody's freedom of speech is violated because nobody has been compelled to do or say anything! Rather, you are knowingly benefitting from the deception of others.
That's what pirating is based on; you've explicitly agreed not to make available content for others when you agreed to purchase the content.
By providing content for pirating, you are breaking your word. Further, by consuming pirated content, you have a reasonable assumption that the person providing you with the pirated content obtained that content through deception, which ropes you in on the culpability of the ethical violation.
Nobody's freedom of speech is violated because nobody has been compelled to do or say anything! Rather, you are knowingly benefitting from the deception of others.