Idol worship isn’t permissible in Islam at any cost and the example of a son remembering his father in a photo isn’t a proper proof of defending idol worship because we can’t worship God in idol form as it is not permissible there is a huge difference in father and God, we have seen our Father in our life so we remember him through photographs but we hadn’t seen Allah as he is Noor we are not so capable to see him and disbelievers are the one who doesn’t believe in one God that is Allah the one who believes in many God as well as God other then allah is a disbeliever