Before revision:  So, while the distorted presentation of data used in the Unified Growth Theory suggests  sustainable and secure economic growth, the undistorted presentation of data demonstrates that the growth is unsustainable and insecure.
After revision:  So, while the distorted presentation of data used in the Unified Growth Theory suggests generally sustainable and secure economic growth, the undistorted presentation of data demonstrates that the growth is unsustainable and insecure.