That Rem 1100 for $120, that did not work, turned out to have a lot of dirt in it.
That Rem 11 for $50, that DID work, turned out to have a lot of rust in 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?