[yetanother12345]

This category of people that you call "incompetent but nice" is the category that I personally chose to label:

   - INcompetent and NOT nice

- in my post below[0]. Creating a toxic work environment is not what I personally see as a "nice" character trait.

[0] https://news.ycombinator.com/item?id=35367245

[yetanother12345]

This [0] came to mind:

  "He is then told by another Official about Tortuous Convolvulus, a natural troublemaker whose mere presence causes arguments, quarrels and fights."

[0] https://en.wikipedia.org/wiki/Asterix_and_the_Roman_Agent