Why is this a thing still? Go on moonguard and go to the park and you will find a guy exploiting a legion quest that allows him to find safespots in sw city to get full immunity, as well as the ability to be annoying with grapple hook across the city as a rogue. Like what is this?
Funny enough you can be an alliance rogue, and if you have this quest you become enemy flagged in the city.
This quest should be on its own phase, or remove the immunity