When The Dark was banned in 1965, John McGahern became the focus of a censorship controversy. But what about this coming-of-age novel irked the censors?

When The Dark was banned in 1965, John McGahern became the focus of a censorship controversy. But what about this coming-of-age novel irked the censors?
Why did the Irish censors ignore this spectacularly rude book? And why is a novel about a sex-obsessed Jewish man so important in the history of censorship in Australia?