If auto-fill is here to stay, allow us to select 1 role we absolutely don't want to play.
Auto fill hurts everyone on the team, especially if that person who was, is on their worst role. For me, that role is Jungle, trust me it isn't good. But I can play the other 4 with some moderate decency. Sure I may not be on my best role, but I can manage most of the time since laning is generally similar, farm minions, get towers, push/freeze waves, etc... Jungle is very different so I tend to struggle and that hurts the team. Honestly I hate playing Jungle and auto-filling into it is a nightmare. I imagine it is for anyone who has to play their absolute worst role. So why not let us select just 1 role that we absolutely will not be placed in? 4/5 is still an 80% placement flexibility so it should not hurt queue times too much. I know I personally would rather wait the extra minute or so, than be filled into Jungle.