I notice that the title on HN is "Why a mock doesn't work," which could be interpreted as "Mocks don't work." My title was (and still is) "Why your mock doesn'

I notice that the title on HN is "Why a mock doesn't work," which could be interpreted as "Mocks don't work." My title was (and still is) "Why your mock doesn't work." I don't know if that is the source of the confusion.