My freind likes to use dank memes
In skype, he likes to spam his soundboard In game, he uses a text art "GG" macro
the inputs being spammed for that appear to have been misinterpreted, and last night, he was permanently banned for "malicious 3rd party programs", aka scripting.
One of two options: the method by which you detect scripts does not function correctly, or you are just blindly following the reports of salty summoners after they get stomped by a Vayne.
So, he lost a diamond level account, with hundreds of dollars worth of skins on it, because either riot does not want him to mess with his friends in a separate program (Riot, you do not have jurisdiction over Skype), because people are salty after losing ("stomping too hard" is not a viable reason to ban), or because the diamond Vayne main is too good at Vayne to not be cheating (...)