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On the contrary, the credibility of a writer (like that of a witness giving testimony at a trial) is of the utmost importance to discerning and discriminating readers!
For example, if the non-stop liar President B-O wrote a book or article about anything, would you even bother reading it, knowing his zero crediblity? If you ran into a foreigner who was unfamiliar with B-O's penchent for spouting non-stop heinous lies, sinister prevarications, and error-filled blather, do you think it would be a good idea to warn that foreigner about B-O's habit of telling an endless stream of lies, or do you think it would be better to keep that foreigner totally ignorant and in the dark about that falsehood-spouting B-O?
Only a fool would read a book or an article by a non-stop liar and error-spouter like President B-O and think they were somehow getting the truth.
As far as "excoriating the author", all I did was point out the truth about her. It just seemed like "excoriation" to you for some reason - you should really ask yourself why that is so.
(By the way - a true example of "hypocrisy" would be a poster who "excoriates" another poster for merely posting the truth about something, and then cynically calls that truth "excoriation".)
Still staying away from the subject of the article. Run down your rabbit trail if you like. I’ll not follow.