But why is there so much defending of King Gojong?

While other pro-Japanese collaborators are unconditionally categorized as evil without any consideration for the circumstances of the time, why is it that the Joseon Imperial Family, including King Gojong—the real deal who actually sold out the country—receives so much defense under the pretext that they were unfairly victimized by the era? Just looking at Yi Wan-yong, for example...