Earlier quoted context omitted.
Sure, but just a few decades ago there were people dismissing all of e-commerce saying "why would I order online when I can just pick up the phone and call in my order?" I'm sure before that there were people saying, Why do I need phone ordering when I can just mail an order form to Sears? I think it's a mistake to bet against a more convenient form of consumerism.
The problem with Dash is that it doesn't really scale.
Also, I don't need a wall of buttons, a few inside the bathroom cabinet, a few inside the kitchen cabinet, a few at my workbench, in the garage, in my shed, is all I need.