For anyone interested, I recently listened to an interview with the author of the book and enjoyed it more than I expected - this form of life is rather different and that was enjoyable to learn about, and the author is an engaging speaker.

https://youtu.be/ND3VxkP5IMQ?si=6I_YA9X3JxalQwHQ

https://archive.today/latest/www.nature.com/articles/d41586-...