"Im not even sure we will need maintain software" (sic) - I'm not sure what your specific background is, but with a statement like that you lose all legitimacy to me.

And the human downstream of this random reorganization of things at will, how do they manage it?

If its AI agents all the way down its commoditization all the way down, if humans have to deal with it there's some sort of cost for change even if its 0 for code.