Sometimes the old thing is really the best solution, and attempts to improve it are misguided and fail. Carpenters will give the newfangled tools an honest shot and then decide that the old tools had a certain je ne sais quoi that made them better.
It's not that you can't build a better hammer. Nailguns do exist. But still.. nailguns aren't hammers. A scaffolder can't use a nailgun to do his work, for instance. But I bet the guy who invented the nailgun claimed it would totally replace hammers and just forgot to consider the scaffolders. And now laymen on the outside ask, "What are those scaffolders doing carrying around hammers in 2011? That tech is like a million years old! Surely we can do better!?"