It's dishonest to cheat
Carly is playing a competitive and ranked game online against other players.
Carly wants to improve her record.
Carly spends time improving her overall skills and strategy in game.
Carly uses third party tools in order to automate her performance which is against the terms of use.
The players have an enjoyable time playing with a serious competitor.
The players notice what Carly is doing and this takes the fun out of it for them.