Even copycat competition might help in that it can lower prices for consumers. I use a Penguin mouse and they cost a lot for what is just generic electronics in an unusual-shaped housing. But I can't find any other ambidextrous vertical mouse.
[0] Yes, there is a huge population of people who will benefit from accessible tech, unfortunately very often they cannot afford the technology and the funding is often limited
I couldn't help but chuckle when I saw what it looked like. I'm curious, what are the advantages to using this over a regular mouse?
The advantages are probably similar to those of any vertical mouse: There's much less stress on the wrist, which is important if you're suffering from e.g. RSI.
But since in this case the mouse is also ambidextrous, you can switch hands, too. (-> Useful for ambidextrous people and, also, even less stress on the individual wrist.)