[quote=@NecroKnight]So I am wondering, if persay - any civilian they run into would they be gunned down before the Mechanist?[/quote]

Only if they drew guns on her, or acted in a similarly aggressive manner.

The problem with forcing a confrontation at this point though would be that Isabel would likely just head straight back home to start running diagonstics on the Robobrains, rather than interacting with other players at all. She's still under the delusion that her actions are correct, and without something happening extremely outside of that preconception she'd likely find a way to justify what happened within the framework of that delusion.