Traveler's View: There's No Need For Mountain Bike Trails At Great Smoky Mountains

Is there really a need for 13 miles of mountain bike trails, with more asphalt and supporting infrastructure, to be cut into an undisturbed section of the Foothills Parkway at Great Smoky Mountains National Park? How would the "experience of riding a narrow roller-coaster with a rhythm of twists and turns" enhance the visitor experience at this wondrous realm of nature?