Well the pic doesnt exactly show much of what he did(not that i can see), what was it he was doing exactly?
I think there needs to be a system where you can kick players in the champ select screen to fix this problem, i totally understand when people have to dodge because there is a toxic player who is just going to do things like feed, not communicate with team, negative attitude etc.... no one should ever have to play with people like that, there NEEDS to be a kick system in champ select screen.
I have dodged a few times myself because of people that break the rules, its either dodge or spend the next 20 minutes of your life with a toxic player, i am more than happy to wait 5 minutes after i have dodged just so i dont play with that toxic player.