\n\r\nIf you have the ingredients for a cake but do not know where the ingredients came from, you can still make said cake.\r\n\r\nIf you find an ancient city and do not know who built it, that does not change the fact that there is a city and glimpses of their lives can be seen from what is in the houses, if they were buried, etc.\r\n\r\nOrigins are separate from functioning.