Amazing, the article is 40 years old and still totally relevant today. And even more amazing is that many of today's IT managers seem unaware of its points.
I take it as a manifestation of the temporal bigotry in computer science. That anything not new is bad, which is absolutely untrue. Old is not bad, new is not good. Where something exists in time has almost not bearing on its quality. Most knowledge and good ideas do not survive.
