> how it is helping them

This should be the opening for every post about the various "innovations" in the space.

Preferably with a subsequent line about the manual process that was worth putting the extra effort into prior to the shiny new thing.

I really can imagine a better UX then opening my calendar in one-click and manual scanning.

Another frequent theme is "tell me the weather." One again, Google home (alexa or whatever) handles it while I'm still in bed and let's me go longer without staring at a screen.

The spam use-case is probably the best use-case I've seen, as in it truly saves time for an equal or better result, but that means being cool with being a spammer.

Absolutely - in general, the tendency to want to replace investing in UI/UX with omnipotent chatbots raises my blood pressure.