Why The DC-10 Was More Successful Than The Lockheed L-1011 Tristar

The Lockheed L-1011 TriStar was undeniably one of the most advanced aircraft of its time. With modern avionics and increased automation, the aircraft could virtually land itself and could even safely approach runways under zero-visibility conditions. So why did it sell so poorly when compared to the McDonnell Douglas DC-10?