Good advice if you live in a leftist sh*thole. Otherwise, it’s not needed.
According to the Centers for Disease Control and Prevention, almost every major study on defensive gun use has found that Americans use their firearms defensively between 500,000 and 3 million times each year.
https://www.heritage.org/data-visualizations/firearms/defensive-gun-uses-in-the-us/
Indictments for defensive gun use are so rare that they make the front page of the screeching, garbage media.