The 7 Habits of Highly Ineffective Managers
It is difficult to come up with only 7 habits because there are so many management behavioral anti-patterns from which to choose. It is much easier to create the list of the top 50 instead. So, here is the second best solution, 50+1 worst practices in 7 categories. If any of my former managers read this, resemblance is only a coincidence.
I manage people from time to time too, so this is a self-reference. In fact, I plan to give this list to my team and ask them to let me know, if they see me matching any of the following patterns: