Well, then. The knife is fun and actually a great addition to our mostly support/buff/debuff focused strengths, but knowledge is power. (And we just failed a couple rolls to reach for that power.)
I am a sucker for the Petra Venj vibe to begin with, and I love the image it allows us to present of having a weapon the does not require us to even life a finger to commit incredible violence.
This has a chance to compensate for the failed social rolls and should keep being useful in the future, not just in warning us of foes but also alerting us to hidden opportunities and potential allies.