But one of the founders of Cisco did end up doing a PDP-10 clone called the TOAD-1 at his next company: https://en.wikipedia.org/wiki/XKL https://en.wikipedia.

But one of the founders of Cisco did end up doing a PDP-10 clone called the TOAD-1 at his next company: https://en.wikipedia.org/wiki/XKL https://en.wikipedia.org/wiki/XKL