For the record, Andrew Case detests the talk of evolutionary "lizard brains" in this book.
Cal Newport argues that the hyperactive hive mind, a modern workflow defined by constant digital communication, is fundamentally incompatible with human biology and reduces overall productivity. The text explains that frequent context switching between tasks and messages drains cognitive energy, leading to a state of attention residue that impairs performance and fuels anxiety. To combat this, Newport suggests adopting attention capital theory, which prioritizes structured processes over the convenience of a cluttered inbox. Examples like agile methodologies, task boards, and specialized protocols demonstrate how organizations can minimize interruptions and protect deep focus. By reintroducing friction into communication and establishing clear rules for collaboration, workers can escape the feeling of being overloaded and achieve more meaningful output. Ultimately, the source advocates for a systematic restructuring of knowledge work to better align with the natural capabilities of the human brain.