Because, quite frankly, I'm pretty tired of seeing people first pick Morgana with Exhaust, say nothing, not respond at all, then bash/flame me for going mid, while clearly, "Morgana is mid champ noob, l2p".
Or, take Ezreal with Heal then bash me for taking Mid;
Or, take Cho'Gath with Ignite, then bash me for going Top;
All of this happens because people don't say ANYTHING in Queue.
True, I don't want people to flame/rage in Queue, but, if you pick something that can be played in multiple lanes/roles, it would be appreciated if you wrote which lane/role you'll be playing.