the second-system effect
expressionprogrammingops culture
Fred Brooks's warning that the successor to a successful system tends to be overengineered with every idea saved up from the first.
The first system was kept humble by ignorance; the second gets all the features its designers wished for, and sinks under them. Protocols, products, and rewrites all fall for it - restraint is a second-system skill.
Also known as: second system syndrome