believing that everything that happens must happen as it does and could not have happened any other way, or relating to this belief

It would be overly deterministic to say that if the party did change its leader, the new one would continue to make the same mistakes. 有人认为如果该政党改换领袖，新的领导人将会继续重复同样的错误，这样的看法实在是决定论者的论调。