there are clear answer to all your question in this forum in many post but you like only to criticize not take any benefit intentionaly and only criticize and in search to find error in islam, but i say to you that you are in search of finding error in islam alone, your father's could not found any error
for you like people who don't take any benefit from good but only to follow their desire our quran say which mean like this they are without ear, eye and their heart are locked and one more place say
they are like animal and more than below animal as animal follow the good.