alt Hacker NewsThe good part of this: don't fall into the trap of believing the proposition "an idiot disagrees with me, so I must be right". That's solid advice, idiots believe countless true things and geniuses believe innumerable false things. The intelligence of a random interlocutor has nothing to do with the validity of their opinions, really, so it shouldn't serve as evidence one way or another. Generally, I try to pay attention to good arguments against my ideas, not good arguers.
I think the advice for who to listen to is very bad, though. He calls it being "slightly elitist", but his bar is beneath the ground. The example for discussing politics is knowing what the three branches of government are - I knew that when I was 8 and I don't think I had anything interesting to say about politics back then. I definitely couldn't have given a meaningful critique on the latest policy debate, and neither can anyone possessing merely the most basic knowledge of rudimentary facts on the topic.
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It’s probably not necessary to know what the administrative structure of your government is in order to hold an opinion on politics. It’s more important to understand things like the different ideas and ideologies, and what concrete evidence actually exists to support whatever legislation you’re interested in. And pretty much nobody has sufficient political knowledge to do this.
There are zillions upon zillions of domain specific smart people with many totally batshit beliefs (pick a billionaire, any billionaire except Buffett). There are also plenty of approaching polymaths also with wackadoodle beliefs on particular subjects too. I'd say that well-rounded reasonableness and "common sense" in more areas than most is rare and skews towards wide-ranging life experiences, average intelligence, and advanced age. There are only a few wise elders who have figured out many things, not everything.
And no one will ever agree with you on everything. Anyone who agrees with you on everything is lying to you a priori or you're hallucinating them.
If you want to read someone the article author characterizes as #1 (Objects to Marxism) and #2 (Knows enough to carefully and reasonably refute Marxism) I'd recommend James Lindsay's New Discourses podcast and website. He's read all the leftist books and is deeply familiar with all their ideas and terminology, but is about as anti-communist as they come. Interestingly, he has a lot of people on what he calls the "Woke Right" (e.g Tucker Carlson) who also hate him.
I think knowing about the branches of your government is a prerequisite to having an opinion or good argument about it. It’s not sufficient to just know that but it’s a good filter in the USA where a surprising number of people have “opinions” but lack the most basic knowledge.