By that definition so is Windows. And OS X. And any computing platform in the history of the world. MS can release a free competitor on Windows and Apple can r

By that definition so is Windows. And OS X. And any computing platform in the history of the world. MS can release a free competitor on Windows and Apple can release a free competitor on OS X. Nevertheless, these are pretty solid platforms and no one has ever suggested developers are sharecroppers. Due to its nature, Google is far less in charge of Android than MS is of Windows or Apple of OS X. If you stretch a definition enough, it looses it's meaning.