You eventually, at some point, write your own code which is not reproduced. From what I see Copilot authors state that copilot is reproducing code, it is not in

You eventually, at some point, write your own code which is not reproduced. From what I see Copilot authors state that copilot is reproducing code, it is not inventing new code like human being would. It seems to be big and efficient database of somebody else's code that it reproduces.