If you make nuetrals attackable then they can't even be considered nuetrals they are just enemies to all. You can still target them accidentally by space bar and kill them. Which spacebar is often used for targetting and somebody may not realize that they are not involved and just watching.
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Meagy :)
Spirit of Atys
High Officer of Spiritus Artificis
Never argue with an idiot; they will just drag you down to their level, and beat you with experience.