Preterism has been refuted by a number of Theologians.
http://fullpreterism.com/the-70-7s-490-of-daniel-9-and-the-77-generations-of-enochian-influence-upon-the-genealogies-and-imminent-ad-70-eschatology-of-matthew-117-2415-34-and-luke-323-38-2120-32/