You can even find plenty of examples in webcomics of this.
Assuming your first line was a joke, we don't know the Linear Guild's entire backstory yet either. Straight off the bat we know Sabine's real loyalties and mission are still up in the air. The latest strip can be taken either way, especially given the title "Where her loyalties lie", which can be straightforward or implying she's lying to one of them. There might be details about Tarquin's group we don't know. Girard might still tie into it somehow, given that Tarquin knows him.