You don't need fancy AI to make us unemployed. Just back to basic would do. You list complex solutions which would just need even more programmers to maintain.
It is like all these business systems corparations use. They would probably be better off with some secretaries with typewriters sending internal paper mail.
Systems that try to automate too much are too rigid to use in a sane way.
The nice thing with a no computer system, is that if you want to do something, just do it. An analogue would be writing math notation on paper or on a computer. I can hardly imagine even Knuth prefering the later.
Computers should be used for well defined tasks they are good at with rather simple programs, or the whole business need to adjust to what the computer allows.