And do not erect for yourself a matzeivah (idolatrous pillar) which Hashem, your G-d, hates. (16:22)
Much of Sefer Devarim alludes to warnings concerning the idolatrous behavior of the nations inhabiting Eretz Yisrael. The Torah admonishes us not to learn from their nefarious practices, lest we fall prey to the yetzer hara, evil inclination, which seduces one to worship idols. One of the prohibitions is the erection of a matzeivah, pillar of stone, on which they would offer sacrifices. This is forbidden, even if the offerings are to Hashem. Rashi explains that Hashem abhors a matzeivah. He commanded us to make a mizbayach avanim, altar of stones, a mizbayach adamah, altar of earth, but not a matzeivah….