It's not so much that Gus... "Peace keeping," isn't just fending off or combat although they are trained for that. But for his group, it's more of cover up and concealment.

[There's a pause as she takes the dress off the table to fold it neatly and place it in her lap.]

If something blatantly magical and supernatural catches the attention of a larger group of normals, they do behind the scenes work to manipulate the perception of events such as clearing away any evidence, feeding the press information that lines up logically, or... Worst comes to worse, they'll change or wipe away memories.