In good hands, always

Why does the Midrash Rabbah say Hashem gave Moshe the reason for the Parah Adumah and left everyone else with a chok? And why does the Torah introduce this one mitzvah as "chukas haTorah," as if it stood for the whole Torah? The Be'er Yosef's answer starts from the moment this mitzvah is actually used. Rabbi Asaf Prisman closes with a businessman before the war who sold everything and seemed to have found the safest place, until a bleak day arrived.