I guess I was thinking of cruft differently. All the messaging and bots are reducing UIs back down to CLIs again. Which is pretty much the sparest UI there is.

I guess I was thinking of cruft differently. All the messaging and bots are reducing UIs back down to CLIs again. Which is pretty much the sparest UI there is. Except perhaps for voice, the other UI gaining traction on mobile. So, yes, the physical size of mobile devices is reducing practically all the cruft.