Love the fact that you were ploughing your own field while the industry tottered off on its own but I can see that you were creating a rod for your own back.
Shifting by hand - thats instant derision time - surely if you wanted to be taken seriously, you would have adapted a front changer mechanism to suit. Shimano Biopace in its extreme ovalness had shifters at the front. You could have made a parallelogram mechansim and two plates to move a chain up and down without stopping.
Even the early Saracens and F W Evans MTBs would have had nice tidy shifting via the cockpit
Re over hyped cycling shoes - only having used 3 pairs in 16 years, the thought of a wellie filling up with water does not fill me with confidence...
The Ging design of chain tensioner has a pivot which swivels with the chain line allowing 3 rings at the front.
Now I have visions of this lone bearded chap out on the trails, the sound of sloshing wellies and greasy hands from ring changes....