Prioritization can not only be ruined by the lack of a system. Dangers to proper decision-making are within the team: the opinion of the leader or overly expert opinions you can't argue with, or spontaneous decisions based on client requests. Find out some common management mistakes to avoid them in your team.
Zero Evidence But Really Arrogant—a person considering them-self an expert really knowing the customer but doesn’t have any facts to back them up.