Afk players should be punished harder if it was in a ranked game

Got a afk in my silver 1 --------> Gold 5 promo. If we had her in the game we had a huge chance of winning but she just quit and its been the third time i have had this in my promo games. people who afk in games not just ranked should get a more severe punishment. this shouldn't be just for ranked games it should be for all of League. If you don't agree with this maybe put in a sort of remake system like Riot has with people not connecting. If they have a legitimate reason and can make their defence to their team maybe put the option to remake or not lose as much LP for it if we Forfeit