For the philosophically rigorous, Christine Korsgaard has a good newer book[1] on animal ethics and their implications that has significant bearing on some of t

For the philosophically rigorous, Christine Korsgaard has a good newer book[1] on animal ethics and their implications that has significant bearing on some of the comments here. (And she's a rather better thinker than Peter Singer.) [1]: https://global.oup.com/academic/product/fellow-creatures-9780198753858?cc=us&lang=en& https://global.oup.com/academic/product/fellow-creatures-978...