The Vulture article goes into considerably more detail about the CO$ angle, and while they can't be "blamed" for his own serial depravity, it at least explains why his actions are so utterly warped.
-------------
Gaiman has rarely spoken about a core fact of his childhood. In 1965, when Neil was 5 years old, his parents, David and Sheila, left their jobs as a business executive and a pharmacist and bought a house in East Grinstead, a mile away from what was at that time the worldwide headquarters for the Church of Scientology. Its founder, the former science-fiction writer L. Ron Hubbard, lived down the road from them from 1965 until 1967, when he fled the country and began directing the church from international waters, pursued by the CIA, FBI, and a handful of foreign governments and maritime agencies.
David and Sheila were among England’s earliest adherents to Scientology. They began studying Dianetics in 1956 and eventually took positions in the Guardian’s Office, a special department of the organization dedicated to handling the church’s growing number of legal cases, public communications, and intelligence operations. The mission of this office, as Hubbard wrote, was its “covert use in destroying the repute of individuals and groups.” On the side, the Gaimans ran the church’s canteen, lodged foreign Scientologists in their home, and opened a vitamin company in town, where they supplied courses of supplements for Scientology’s “detoxification” programs, a business that grew exponentially alongside the expansion of the church. By the late ’60s, David was the church’s public face and chief spokesperson in the U.K.
It was a challenging job, to say the least. The U.K., following the example of a handful of other governments, had issued a report declaring Scientology’s methods “a serious danger to the health of those who submit to them.” Hubbard would routinely punish members of the organization who committed minor infractions by binding them, blindfolding them, and throwing them overboard into icy waters. Back in England, David gave interviews to the press to smooth over such troubling accounts. The church was under particular pressure to assure the public it was not harming children. In his bulletins to members, Hubbard had made it clear that children were not to be exempt from the punishments to which adults were subjected. If a child laughed inappropriately or failed to remember a Scientology term, they could be sent to the ship’s hold and made to chip rust for days or confined in a chain locker for weeks at a time without blankets or a bathroom.
In his book Going Clear, Lawrence Wright recounts the story of a 4-year-old boy named Derek Greene, an adopted Black child who stole a Rolex and dropped it overboard. He was confined to the locker for two days and nights. When his mother pleaded with Hubbard to let him out, he “reminded her of the Scientology axiom that children are actually adults in small bodies, and equally responsible for their behavior.” (A representative for the Church of Scientology said it does not speak about members past or present but denies that this event occurred.)
According to someone who knew the Gaimans, David and Sheila did apply Scientology’s methods at home. When Neil was around the age of the child in The Ocean at the End of the Lane, the person said, David took him up to the bathtub, ran a cold bath, and “drowned him to the point where Neil was screaming for air.”
