Other posts from G.Marcus are much longer. Go read them, but be prepared for some "adversarial thinking" if you strongly believe in the scaling hypothesis. Might border on "bubble popping ". You're all for free speech and the free market of idea, so it won't be a problem.
However, he has a low threshold for bullshit. And SamA is probably not getting any higher in his esteem this week.
I agree that the author gets a bit childish when he goes into name dropping of people who used to disagree with him and don't any more - there's probably some background drama that I'm not particularly interested in.
Still. I believe having both Gary Marcus and Dwarkesh Panel in a timeline, in chronological fashion, whiteout and algo to tell me who's right, is one of the perks of substack.