[toyg]

> the design patterns movement which, I don't know when, must have taken a series of wrong turns

Such is always the case, as soon as anything becomes a "school of thought". From Christianity to patterns and agile, someone will evangelise a set of concepts that s/he strongly believes in, and they will be reinterpreted or exploited by others for their own purposes. For design patterns, it was the whole "Enterprise Java" sector who went overboard and became doctrinaire.