Because every powerful civilization did just that.
Before the person died, the "Divine Skill" was stripped from the soul and assigned to a successor.
It sounds somewhat cruel, but "Divine Skill" nurtures the Qi Fortune of a civilization, a treasure of a civilization. If allowed to be lost, it would only lead to the slow decline of the entire civilization.
Thus, Lu Yuan decided to personally manage this task — of course, he would not forcibly strip it away, at least waiting for these people to die naturally.
Otherwise, the entire civilization would be panic-stricken and unable to develop.
"Miss Conch, do you want a new ability?"
"My soul is saturated now; I can't fit any more abilities."
The girl, clutching a pile of documents, hurried along, her braids swinging: "I don't need it, thank you. Divine Skill comes with historical responsibilities... your poor classmate Miss Conch is already working like a horse and ox. Another ability would probably exploit my soul."