The idea is to show them that Judaism is the root. Moreover, it’s allowed to teach them the details of the sheva mitzvot. According to some, a mitzzva. While not all agree, the Rema says (Responsum 10) that the mitzva of dinim includes all of Choshen Mishpat. A goy who learns Torah is like the Cohen Gadol 9Avoda Zara 3a). The Meiri differentiates between a goy whose interest is purely academic and one who seeks the truth.
You really started off Elul on the right foot with your hotzaat shem ra.