Player Inting/Trolling

SO I start a ranked game, its going fine. Then our mid laner "shaco " 1/13/0 dies. He then says "Thats it I'm going to start trolling" so he starts feeding other team hard. Then our bot lane "Katarina " 0/9/2 and "Thresh " 1/12/1 start doing the same thing. I continue playing as if they weren't feeding and of course we end up losing. I reported all three but I know no action will be taken against them nor will I get my Lp or the 20 min of my life back. My question to riot is how is this fair to the player? Its a little unjust if you ask me. Seems like multiple people have to report the same person. How can you report 3 people on your team for inting because i know the other team was probably laughing their *sses off as they steam rolled my team. Is riot going to do anything to change this??????? Please let me know what you think.