Conversational interfaces are slow and will still be slow even if AI latency will be zero.

It might be nice way for making complex, one off tasks by personnel unfamiliar with all the features of the system, but for fast day to day stuff, button per function will always be a king.

Keyboard button even. TUIs are faster for many cases.

The obvious answer is direct brain interfacing. Poking at stuff with your fat fingers is barely faster than speech.

The less obvious answer is how to make it work. That is a hard problem.

And the challenge is how to make it work ethically, especially given where Late Capitalism has ended up.

Otherwise we won't turn into Star Fleet, we'll turn into the Borg.