Trust me when I say, square enix knows exactly who has used 3rd party tools and who is using antiafk scripts and plugins.
Instead of punishing players for doing so or not doing anything at all, how about reward the players who have not contributed to the congestion and have played fairly?
Give us an exclusive accessory or something that is not very noticeable like a title or an achievement, something to indicate that we didn't choose the easy way.