This article highlights the extent of the damage that can be done by an abusive leader, but perhaps the most troubling aspect is that the team can become abusive to one another.
Even if you’re not an abusive leader, you may need to repair the damage if you’re coming in behind someone who was abusive. Not only will people need to have their self-esteem restored, but you will also need to look at the team as a whole. Trust will have been eroded within the team, and you will have to be extra focused and vigilant to make sure that steps are taken to form positive bonds.
Abusive leadership infects entire team by Crystal Farh and Andy Henion at MSU Today on 20 August 2014.