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With that logic, everything is based on something else. Literally nothing is 100% totally original and nothing like it has ever been done before in the history of time and space.
Mark Twain put it best:
"There is no such thing as a new idea. It is impossible. We simply take a lot of old ideas and put them into a sort of mental kaleidoscope. We give them a turn and they make new and curious combinations. We keep on turning and making new combinations indefinitely; but they are the same old pieces of colored glass that have been in use through all the ages."