From your link: Bullies are usually cowards, but Donald had a gutsy side. Former babysitter Frank Biggs recalls taking the five-year-old to explore a sewer pipe that was being built in the neighbourhood [sic]. To his amazement, as dusk fell, the child followed him into the darkness without flinching.
A five-year old Donald, twisted and cruel from the get-go, and unchanging. In a sewer pipe. With evening fast approaching.
The gods are truly fickle.