How do these two ideas create a contrast between the major's ideas and the ideas the author is showing us? What does this contrast foreshadows for the reader?

Chapter 1

During major's speech, the word 'comrade' is regularly used. However, on page orwell writes, "Even the stupidest of them had already picked up the tune and a few words, and as for the clever ones, such as the pigs and dogs, they had the entire song by heart within a few minutes." ( page 8 )

*Question*

How do these two ideas create a contrast between the major's ideas and the ideas the author is showing us? What does this contrast foreshadows for the reader?