First of all, uttering criticism is taking something serious, no? Second, I cannot judge the grammar part, and style is always debatable. But the rules for sty

First of all, uttering criticism is taking something serious, no? Second, I cannot judge the grammar part, and style is always debatable. But the rules for style were hardly inconsistent when I read the book. "Omit needless words." is the most useful one, especially for academic writing.