2017 and still no way to deal with trolls in champion select?

When faced with a champ select troll who is going into the game as garen support with ghost and cleanse your choices are either dodge and lost lp and time with no punishment ever happening for the troll or go into game lose a lot of lp more time of your life report the troll who will never get banned or punished anyway and lose even more? Either way you always lose and the trolls always win and riot has never done anything about it.
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