Is William Golding saying that humanity is doomed in lord of the flies?

Is William Golding saying that humanity is doomed in lord of the flies?

This paper should be persuasive, answering the following question: Is William Golding saying that humanity is doomed?

You will use the traditional essay format, but this essay cannot be 5 paragraphs.  The paper should have a clear, arguable thesis statement that is bolstered by each of your main paragraph topics, examples and quotes.  This is not a re-telling of the story. 
Do not chronologically summarize the plot.  Instead, use people and incidents from the novel to create support for your argument.

The final paper should be 3-4 pages