I’d say more like 4 years flat if anything. You get a head start, but others have a right to build upon it. The best things humans do are collaborative. When others are inspired to build upon your shoulders, you must be open to collaboration if you want to maintain control beyond a short first to market advantage. The age of tyrannical monolithic giants should end because we all stand on the shoulders of others. There are no truly original ideas born from a vacuum.