I think a lot of the commentary here is missing the main point — while you may not (I mean, certainly do not) need an ultrasonic chef's knife, it's a cool origin story, and the guy has the receipts! Years of iterations of circuit board design, blade shapes, and the robotic cut-test arm... I personally would enjoy using this in my kitchen just for the hacker vibes.

Although not a pro, or even a good cook, I do like quality knives — but, like most people who develop a casual nice-knife affinity, I then bought a few quality knives, a couple of junk knives to try restoring with a whetstone, a hand-made Japanese knife with my name on it, and... then I had enough kitchen knives to last the rest of my life, and there was no reason to buy any more.

This is the first one I have considered in years. Not because I need it, or because it's necessarily better at cutting must things than the workhorse Sekimagoroku nakiri I use[1] but because it's fucking neat and radiates nerdium waves.

This knife should be celebrated for what it is: basically an epic nerd project. That can also cut at least a few kinds of fruit more easily (or at least more enjoyably).

[1]: KAI model AE5206 (which seems very much like a Shun knife, made by the same company, but cost me only $53)