You must be deliberately ignoring things at this point.
Have you never seen a science fiction time travel film where a person occupies the same timeline more than once? You’ve not seen Back to the Future? Or Doctor Who? Or more then half of any TV show or movie about time travel?
Also, travelling really fast to time travel, while not grounded in reality, is actually based off the theory of relativity and time dilation. It was also the premise of the Planet of the Apes films.











Shapes can be trademarked and copyrighted. Coca cola have trademarked the shape of their plastic bottles.