Fascists don't respond to logic or reasoning, they know only violence so you should speak to them in a language they understand
https://www.tandfonline.com/doi/full/10.1080/00131857.2018.1519772
Violence in a vacuum? Deplorable. Violence against a person preaching or encouraging violence? Questionable. Violence against a known fascist? Absolutely acceptable.
Fascists hide in the grey areas of free speech and often make arguments, much like this post OP, that twist ethics to support their rhetoric.
https://www.npr.org/2017/08/19/544641070/explaining-again-thenazis-true-evil
https://en.m.wikipedia.org/wiki/Functionalism%E2%80%93intentionalism_debate
You may want to investigate the original author of the anarchist cookbook William Powell. He later wanted to remove the book from publication.
https://www.britannica.com/biography/William-Powell-American-writer
Also please do not follow any of the recipes, especially the match head bomb as they're all a great way to lose fingers
So in conclusion, considering your original points sound similar to the historical defense of fascists, and that book looks to carry the language of fascists.
How serious is the author of that book about not getting punched?