John Wesley on Leviticus 17:7

Unto devils - So they did, not directly or intentionally, but by construction and consequence, because the devil is the author of idolatry, and is eminently served, and honoured by it. And as the Egyptians were notorious for their idolatry, so the Israelites were infected with their leaven, Jos 24:14, Eze 20:7, 23:2,3. A whoring - Idolatry, especially in God's people, is commonly called whoredom, because it is a violation of that covenant by which they were peculiarly betrothed or married to God.