Indeed this song, like many others from Diamond Dogs, is a reference to Orwell's 1984. The lines
He thinks he's well screened from the man at the top
It's a shame that his children disagree
They coolly decide to sell him down the line
Daddy's brainwashing time
may well refer to Winston's neighbour Parson, who is a loyal Party member, but in the end is turned in by one of his children (and even thinks that's okay because, in his brainwashed mind, he thinks it is his own fault and the child was right in turning his own father in).
Indeed this song, like many others from Diamond Dogs, is a reference to Orwell's 1984. The lines
He thinks he's well screened from the man at the top It's a shame that his children disagree They coolly decide to sell him down the line Daddy's brainwashing time
may well refer to Winston's neighbour Parson, who is a loyal Party member, but in the end is turned in by one of his children (and even thinks that's okay because, in his brainwashed mind, he thinks it is his own fault and the child was right in turning his own father in).