Very relevant

"even though the male head of the clan of Duras was killed, the family had been a powerful influence in Klingon politics for a long time. Despite the truth being told, most likely many Klingons owed some degree of debt to the family, or shared some dirty secret with them that they did not want exposed. Therefore, even if the new council members themselves owed nothing to Duras, they would be worried about reprisals from Klingons who did, or about direct reprisals from the sisters who were still relatively powerful"