I'm curious who the target audience is. As a developer I already spend all day at my keyboard, so I'm not yet convinced dedicated hardware is faster than a desktop app. I'd love to hear from people who've actually used it.
Which is no different than when the iphone first came out, the basic concept of touch screens was endlessly novel as an input and output device. That novelty did a lot more heavy lifting than what we can now see in hindsight was appropriate, because now many of us won't be able to control the temperature in our cars after the touch screen fails.
I think its the same underlying mechanism that explains why I, a person who has never recorded or mixed audio in a studio, and a person who can know for certain that purchasing a 24 channel mixing console isn't going to faclilitate my career change or even hobby development. But part of me is still viscerally certain that my life would be fuller if I purchased a 24 channel mixing console.
I don't need a legitimate reason to own a tool, or a problem I would fix with it, to fantasize about using that tool.