given that corrosion makes you get lost in the emotions and personality of the abnormality, and that Faelantern seems to be a lure that draws others to trap them... I'd say, Sinclair is being elated and giddy that people got into his trap
The only grave I am hesitant to defile for money is the BPPs Not saying respect is going to stop me from defiling it though. First time I am ever having to put in care into knowing the full story ins and outs entire stat sheet and biography of a product before I buy it.