[grepLeigh]

Non-stop complaining. Totally kills optimism and energy of an entire team. Complaining is contagious too, so it's not long before 1 chronic complainer infects the team.

I don't mean focused retrospectives, which is time set aside to constructively address things worth complaining about.

[superchroma]

speaking of retrospectives, I'm also in one where they refuse to do them, such a pain to make the same mistakes over and over