Keep yourselves from idols." The warning isn't given to them because it wasn't a real danger or because there was an off chance someone might fall into idolatry. It was given because this is our root problem on any given day. It is what we, especially as followers of Jesus, must fight against.
Joe Thorn, Note to Self: The Discipline of Preaching to Yourself
faith, idolatry, idols, sanctification, sin