Power

Being able to be top dog to teach everyone below you on what you want is portrayed in the book. The language and skills the hierarchy teaches all the newly hatched children helps them try to achieve stability in their society. And i you think about it some of our happenings in society and the ones in BNW come form Shakespeare there for making it a good medium for the book. it gives the ideas more support which can be expressed more strongly if they have more support. Also a lot of people live their lives based off of information like Shakespeare so he has influenced today's behavior and actions as well.