The ACTUAL way to get Riot to nerf OP Champions / Builds / Playstyles
It isn't to come to the boards and complain about it.
Especially when you just lost to someone that was taking advantage of it and you have not even tried it out for yourself.
How then?
Play it! Spam it! Take advantage of it! Again, and again, and again.
Use it to your advantage for as long as it is allowed because when Riot sees that everyone is using this strategy to make the game unfair and unfun, ...
THEY'LL NERF IT!

...I vowed to never touch that champ again until riot does something about his kit giving him so much kill / carry potential based around the enemy team having 1 bad player/immobile tank who he can combo on.
if he farmed decently, has damn near no counterplay. But getting to that point is hard af Boi.