Why did Yisro deserve being the source of the information about forming the judicial system?

 Ohr HaChaim(Shemos 18:21): Why did Yisro deserve being the source of the information about forming the judicial system? While it is true Yisro deserved being honored for honoring Moshe and thus he honored G-d, but there were other ways of honoring him not in this ways that  indicates - chas v'shalom - the lack of knowledge of G-d's people until Yisro came and enlightened them? It appears that the reason is that G-d wanted to teach the Jewish people a fundamental lesson not only for that generation but for all generations. The lesson being that there are among the nations of the world men of great intelligence and understanding such as Yisro and these nations have awareness of important and valuable information. G-d's intent was to show that the election of the Jews was not because their knowledge and insight was greater than other nations. They were not chosen because of their superior wisdom and knowledge. Their election was the result of G-d's supreme kindness and His love of the Avos. This explanation is more appropriate according to the view that Yisro came prior to the Revelation at Sinai. Accordingly G-d's message was that even though there are amongst the Nations greater wise men than amongst the Jews - the Jews were nevertheless chosen. We are thus to praise Him for choosing us because of his Kindness. However, even according to the view that Yisro came after the Revelation at Sinai - a similar lesson can be learned by the fact that Yisro is mentioned in the sequence of events of the Torah prior to the giving of the Torah.