Banning your pick.

Let's assume I have played 300 ranked games this season and my most played champion is let's say Jinx. I have 200 games on her, and I have won 60 and lost 140. That's a 30% win rate.

Now, while in champ select, I pre-select Jinx and someone bans it. When I ask why they banned my pick, they reply "you only have 30% winrate on it, so if you pick it, we are probably gonna lose."

COMPLETELY JUSTIFIED.

When someone has played so many games with a champion, yet they still have such a low win rate, it's safe to assume that their pick doesn't work. They are either bad at it, or they don't perform well enough to grant them any wins. Maybe the champion just doesn't do a lot they way it's being played by the player, resulting in such a low win rate. That's why any player who cares about climbing has EVERY RIGHT to ban that champion and is justified to do so by logic. Please, stop arguing about how it's immature, or it's griefing and what not. Technically, if you have played SO MANY GAMES on a champion and HAVE LOST MOST OF THEM, you are technically inting after a point. Technically, you are handicapping your team by giving them lower chances to win.

Next time someone bans your champ that you are performing bad with, take the time to realize why and don't ask for reports.