Oh yeah, tell me about Intellectual Property, Patent, Invention, and Ideation thievery, was it still there afterwards? IP theft has been recognized for centuries.
I am so glad humans are never derivative with culture. Just look at the movie The Fast and Furious. If we were making derivative works we would live in some crazy world where that would be a franchise with ten movies, six video games, a fashion line, board games, toys, theme park attractions, and an animated series that ran for six seasons.