Do you know anything about 'Reiki' system of practising medicine. Compare 'Reiki' system with Idol worshipping (Hinduism) and you will get the answer whether only fools worship idols.
I am talking only about science & not about the religion. Religion is a set of beliefs and practices often organized around supernatural and moral claims, and often codified as prayer, ritual, and religious law. It doesn't matter which religion we follow, main aim of the religion is to ensure the individual who follow it will be honest through out his life & helping him to get rid of issues/problems. Idol worshiping helps a lot in curing various diseases, for that you need to know about 'Reiki' system.
Never abuse others culture :-), which may have some hidden reasons.