https://doioshop.com/products/doio-16-keys-programmable-mult...
I am only half-joking.
but jokes aside, I suppose you can look at this being sort of like a numpad in addition to your main keyboard so I see the point of this gimmicky thing
Check out Norbauer for the upper echolon of mechanical keyboard engineering. https://www.norbauer.co/pages/the-seneca
While I love a good piece of hardware with real buttons, I struggle to justify the money on this. If it supported Linux and was a bit cheaper I might splerge just to have a toy, but I'm definitely not switching to windows or mac just for this.