- Not being responsive to questions or requests.
- Forgetting what you have asked them to do.
- Assigning the same task to different employees.
- Not setting an example (do as I say, not as I do).
- Taking Special privileges.
- Coasting.
- Not pitching in in a crisis.
- Overpromising and under delivering.
- Not listening/multitasking.
- Insensitively to signs of overwork.
- Fighting with and badmouthing your peers or boss.
- A lack of understanding or appreciation for the work.
- Taking credit, not giving credit.
- Holding back, not sharing critical info.
- Micromanaging.
- Not addressing performance problems.
- Playing favorites.
- Sending emails, texts, or making phone calls on weekends and evenings (and expecting an immediate answer).
- Being cheap.
- Indecisiveness.
- Waffling.
- Loose lips.
- Being moody, emotionally volatile and unpredictable.
- Won’t ever admit a mistake.
- My way or the highway.
- Not open to new ideas.
- It’s all about me.
- Not being available.
- Abusing your power.
- Being a buzzkill.
- Being a know-it-all.
https://www.nsca.org/30-bad-management-behaviors/
Almost every one of these applies to my manager.