Earlier quoted context omitted.
I'm surprised that they received such a negative reception on SharkTank. Unlike most IoT products I've seen, this really seems like a great idea.
It's not a new idea though. There are a few other companies making the same thing.
I've tried a few other similar products and just haven't been nearly as satisfied with the experiences (mostly due to software quirks).
Ring, like Nest, was simple enough that my technically inept parents managed to deploy and use it without my intervention. That says a lot.