when they are told follow what allah has sent down they say no we will follow what we have found our fathers following. what even if their fathers neither exercised their reason nor were guided?!
وإذا قيل لهم اتبعوا ما أنزل الله قالوا بل نتبع ما ألفينا عليه آباءنا أولو كان آباؤهم لا يعقلون شيئا ولا يهتدون