> why I could easily tell that the author of the manifesto is both ignorant and uninterested in the subject
Continuing to attack the credibility of a largely factual statement (the memo in question) is still not compelling. If there was evidence supporting opposing viewpoints, even hypothetically, you might want to lead with that in your interactions. Good luck with whatever you believe.
Except for the citations.
> why I could easily tell that the author of the manifesto is both ignorant and uninterested in the subject
Continuing to attack the credibility of a largely factual statement (the memo in question) is still not compelling. If there was evidence supporting opposing viewpoints, even hypothetically, you might want to lead with that in your interactions. Good luck with whatever you believe.