My little springs were so that the bolt would lock up into the same spot and give me better accuracy. That rifle is very accurate, because it has a good clean barrel. My lock up probably has little to do with it.
The word 'forum" does not mean "not criticizing books."
"Ad hominem fallacy" is not the same as point by point criticism of books. If you bought the book, and believe it all, it may FEEL like an ad hominem attack, but you might strive to accept other points of view may exist.
Are we a nation of competing ideas, or a nation of forced conformity of thought?