In 1997, I examined why IT professionals at established companies changed jobs. Managers erroneously believed that the top reason people quit was money. They were wrong then, and they would be wrong today. I find that the top reason people quit can be summed up in this sentence: “I won’t work for a jerk.”
In corporate IT, “jerk bosses” come in three flavours, which I categorize in descending order of “jerk intensity:”