it's nice to see what's on my schedule at a glance, rather than needing to ask my secretary. also helps with situational awareness.

it's nice to see my financial situation at a glance, without asking my accountant.

speech/text is one modality. we humans are also visual and tactile. and we need consistency and recurring patterns of interaction to function well.

You ask your secretary to give you a visual representation of your schedule right now and presto - you got it.

Same thing for your accountant.

Imagine that both of them, while being good at their respective jobs, are also software engineers that can mint a custom throwaway app for you at a moment's notice.

>speech/text is one modality. we humans are also visual and tactile. and we need consistency and recurring patterns of interaction to function well.

I'm sure your secretary will make a note of your preference.