It's a short and quick blog post. Bloggers used to do that once in a while (before twitter made it the only allowed mode of expression to please the advertisers.)

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.