Dodge for not banning a champion?

Okay, this happened a couple times, I chat with my new team in champ select, the timer on bans get dangerously low, I try to ban zed, someone clicked "ban" before me, I panic search for yasuo, someone bans him last second, the client is slow as heck, I dont have time to clear the search bar and ban something, I get kicked. -3LP, 30 min queue dodge penalty. Riot, why is this a thing, why am I getting kicked for not banning a champion when this can happen, how are people even able to pass on ban without getting kicked. Why is the client so damn slow?
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