Would not consider it for any kind of serious purpose anyway, not even hunting rats.
Oh I don't consider it adequate for much of anything. I have only shot it a couple of times and had sort of forgotten about it. I also have not seen one as fancy, it was the top of the line of inexpensive, anemically powered pocket pistols.
I suppose though that back in the days before antibiotics, the threat of being punctured by a bullet, any bullet, was a lethal one.