Why did the pigs in Animal farm become what they hated?

In the beginning the animals [including pigs] opinion of man was someone who only thinks about himself and as they never met any other man, they took to the opinion that all men are same and follow the same life as Mr Jones. read more

That is why it went to where they didn't want it to go because they thought that they had it better than every other farm in the world and they did not want that to be taken away so when the one pig kept saying that we are doing better than all of the other farms they were willing to accept that until they heard other reasoning. read more

The pigs, meaning Napoleon and his followers, become what they hated by gradually adopting the tyrannical practices of the very humans they initially sought to overthrow. With this, Orwell establishes the corrupting nature of political power through the case study of the communist revolution in Russia. read more

The pigs become like the humans by the end of the story as throughout the story they have revealed similar traits; they want to seize power and maintain control over all the other animals.This is exactly what the humans always did, and the pigs, in effect, take over from the humans and rule in just the same oppressive manner. read more