Y'all, she did not just kill a person and it has nothing to do with the youkai's gender. The salt guy was already dead and was being puppeteered by a youkai. Plus a very influential person suddenly being possessed by a youkai would definitely disrupt the balance of Gensokyo. Exterminating it...
She said "厘" (Rin), which is approximately 0.3 millimeters.
Come to think of it, "down to the inch" seems like a pretty imprecise standard for building.
The societal standards we have for women when it comes to being fat is so frustrating. Even though women gain weight easier than men on average, they are criticized to an unfair degree compared to the latter. Nobody bats an eye when they see a fat guy, but somehow if a lady just dares to be...