We can't plead ignorance, only indifference. Those alive today are the generations that came to know better. We have the burden and the opportunity of living in the moment when the critique of factory farming broke into the popular consciousness. We are the ones of whom it will be fairly asked, What did you do when you learned the truth about eating animals?
Eating Animals (ed. Penguin UK, 2010) - ISBN: 9780141932651