The difference is that most of the things back in 60s, 70s and 80s were built by people who were actually passionate about computers and programming. Then the career types took over — the ones who spend more time planning sprints and following SCRUM practices and figuring out ways to exaggerate what they do than they spend writing actual code. Of course, some of the blame can be laid on the feet of the people who fancy themselves engineering manager because they happen to have an MBA — despite the fact that they can’t Engineer their way out of a paper bag.