Previously discussed at https://news.ycombinator.com/item?id=18331219 (51 comments)

Google document where the reviewer and Prof Ousterhout had many insightful discussions on abstraction, simplicity of specification vs simplicity of the interface : https://docs.google.com/document/d/1LLVzpncsDJREybjKxPmgllfX...

Google group with a longer thread between the two: https://groups.google.com/g/software-design-book/c/DvnQ1Bvqy...