When someone leaves during champ select then it is quite likely that after a few seconds when you get offered the next game you will likely get your secondary or supp (unless your secondary is a more often played role than the primary role) and the same happens when games get declined a lot in a row (not by you ofc but from one of the other 9 players for that game). Please fix this so it is not beneficial to leave the queue and come back immediatly after (if getting a desired role for you but also your teammates is more important to you than a few minutes waiting).
Edit: The best part is when someone gets filled adc in your promos who does not play adc and then fails his lane (which is not really his fault) after someone left and you accepted the next game anyway.
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