Oh BTW - to the comment about one's inability to receive monetary justcie if your copyright isn't registered. You can however get a cease & desist order and then file contempt of court charges if they continue you can also request court fees. You may not receive compensation yourself but they could be fined for violating a court order EG

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I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect has intended us to forgo their use.
-Galileo