I see your point, but I am only one person and my lifestyle has changed now settled down here meaning I have more time to go out, I don't believe that everyone one in Torbay wants to be home by 10pm considering Exeter is nearest major city that you can get to without changing trains at NA and going in the opposite direction to Plymouth. As previously mentioned the last train midweek is full. As for stock movement, its all got to go back to Exeter anyway which is a straight run, they don't leave stock at Paignton overnight , I am sure there are paths available.
I wonder when they last ran a later train, has demand changed sine 1782 lol
"If you build it they 'might' come"........