The problem with the computerization brings benefit lines is that it was demonstratively true back in the mainframe days but became less and less so once the big beast with dedicated attendants and handlers got replaced by "not quite foolproof enough" wintel desktops managed by nobody.
This is also why so few PC centric modernization process are truly successfull.
the successful part is usually when the whole thing gets swept away with something completely digital-based. the bad part is that usually there's a long transition period, the new thing sucks balls for anything except the basic functions, there's no human to talk to, etc.
This is also why so few PC centric modernization process are truly successfull.