If you use the regular 32 acp, there will be a loud bang.
One notion is that a special round can be carried in the pocket while deer hunting. If a grouse is seen a tree, it can be shot without scaring all the deer.
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?