Disclaimer: I work in an IoT-focused consultancy and work with Fortune 500s in their IoT strategy.
This is a _great_ idea. Not sure the implementation is perfect, but giving consumers more control/visibility over their devices is going to be increasingly important.
I hope we get more companies into this space, but I don't think it's well understood enough to be a viable business. Until then, open source tools like this are going to be great.
If the authors are watching this thread, reach out, I'd love to connect you with some of my customers.