No punishment for trolls?

So 1st pick chooses Mid, let's say Brand. Then a 3rd pick chooses Akali, even though Mid is taken. He does not respond to "Mid is taken, wtf are you doing?". Then in game he goes mid and does not care about anything. We lose, of course, because duo mid and solo bot is not really efficient. So is there ANY way to punish such trolls? There are plenty of such people. Why can't riot just put some report in place that is "Intentional double pick" or something like that. I can't even report these trolls now..
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