Skillshots and hitboxes are not calculated the way the are displayed. A skillshot can go right through an enemy and still miss. This is why and how it could be fixed. :
Clarity in League - League of Legends
These League of Legends champions still have broken hitboxes - WIN.gg
Is Riot ever going to fix the hitbox on Thresh Q? This is just ridiculous. : r/leagueoflegends
Here's why Nautilus can hit you past terrain or minions : r/leagueoflegends
Pyke's Q hitbox is driving me insane : r/leagueoflegends
L. on Twitter: "What is this bullshit hitbox on High Noon Thresh skin? https://t.co/aikmHc7BHt" / Twitter
Hitboxes are real : r/leagueoflegends
Riot changes Neeko's hitbox from League of Legends when another champion needs it more - Exrode.com
Hitbox bugs are still happening in League because of the River terrain - Not A Gamer
These Hitboxes are becoming major problems in League of Legends - Not A Gamer
Hitboxes In League Of Legends: Everything You Need To Know | EarlyGame
ashe arrow hitbox is controversial. https://www.youtube.com/watch?v=TdgsS4SbeEE #games #LeagueOfLegends #esp… | League of legends builds, League of legends, Esports
League of Legends - LoL Weekly Videos - This hitbox is unreal | Facebook
L i z on Twitter: "Yeah, his hitbox is fine 100% LOL https://t.co/135MuEOdSP" / Twitter
I think it's time we have a serious discussion about the hitboxes in this game - r/leagueoflegends
Hitbox bugs are still happening in League because of the River terrain - Not A Gamer