Workplace drama sucks the productivity out of a team or organization. It also creates an inhospitable environment where healthy people don't want to work, so they leave.
Workplaces can be cauldrons of emotions … which can lead to the environment becoming toxic. Emotions are natural human responses to events. We're encoded to tolerate a certain amount of emotional stress - after a point, the emotional stress becomes toxic - lengthy exposure to elevated stress is very unhealthy.