That short bio has no qualifications enough to write a book on effective engineering especially making claims like guiding people to become 10x engineer.
I find it difficult for a person with valid credentials in real life support this content marketing fraud.
If you don’t like specific ideas of his, attack them. But as a 30 year engineer whose managed teams as large as 40 people, while i don’t agree with everything he wrote, lots of it rings true to me.