Presumably through Vortex'[0] similarity to the Symbolics PN 365407[1][2] keyboard, with its very distinctive design that manages to capture at once both futurism and timelessness.
Disregard the 2020's clunky cherry switch keyboards, acquire the OG Best Keyboard.
I believe you are right on spot with that - the minimalism, of the keyboard, case and the Plan 9 UI evoke some sort of timelessness, the same way a Connection Machine still looks futuristic today.
