Well, what a bunch of killjoys! If there are enough people interested in getting the line going, who is to say they can't. The market may be "oversaturated" in some parts of the UK, but certainly not in others! Using examples of struggling lines like the Talyllyn is misleading as they are suffering more due to their geography then market saturation. It might have a significant place in our hearts as the first preserved line, but at the end of the day that matters little to the general public, they just want an easy to access heritage attraction and a good day out. In MY humble opinion the line at Princetown could offer that in many more ways than others in the UK could. At the end of the day, if someone out there wants to have a crack at it, I say good luck to them!