Leviticus 17:7 And they shall no more offer their sacrifices unto devils, after whom they have gone a whoring. This shall be a statute for ever unto them throughout their generations.
God did not want His people to offer sacrifices to devils. This was to never be their custom. It is so easy to think that the idols around the world are just images. We think of them as just junks of metal, wood, or stone but there was something more than that happening to them.
They were offering sacrifices to devils. They were worshipping false gods. It might be hard to accept being so critical but that is exactly what needs to happen. It is not just “idle” worship, or not something that is critical. It is “idol” worship. It is worshipping demons.
We only worship the One true God!