He's just seen (at least by the ROTW) as very unstable and prone to lashing out. He might not order a war but his inability to govern with rationality and diplo

He's just seen (at least by the ROTW) as very unstable and prone to lashing out. He might not order a war but his inability to govern with rationality and diplomacy does give credence to the side effect of relations worsening to the point of armed conflict.