[curiouscats]

Well said. I find it is very common to use the straw-man criticism technique http://en.wikipedia.org/wiki/Straw_man about bad management practices. The quality of management is often bad. The quality of management, even of good practices, is often bad.

Criticizing those implementation of the practice is perfectly fine. But claiming that the practice is suppose to be something different than it is, is not fine. I agree with you here, that is the biggest problem. If you understand how kanban for software is suppose to be done, the criticisms don't make sense.