The reason for the aurelion nerfs.
https://champion.gg/champion/AurelionSol/Middle
His mains have an up to 65% winrate with him. That's insane. Because of them they he needs to be nerfed, his mains can't go terrorizing the game just because they took the time to learn a difficult champion, sure a 55%-60% winrate is good, but 65% is crazy.
Just because you haven't seen an aurelion sol do well in one of your games does not mean he is underpowered, in the slightest. also check out meddler herehttp://boards.na.leagueoflegends.com/en/c/gameplay-balance/M8nasIhr-other-aurelion-sol-nerf