Earlier quoted context omitted.
I had a very different reading of the article. The author acknowledges that books do work after the reader actively engages with the topic, does the exercises, rereads, etc. The issue is that this process of transmitting knowledge could be more efficient in a different medium. The post is not against books, but pro interactive teaching methods, as the author gives a link to his proposal https://quantum.country/qcvc
I agree with this. I read the top comments before the article and went in totally expecting someone just dismissing books as useless, by the end though, I got the same takeaway as you, the author was stating the need to immerse yourself in a subject to truly learn it and that hastily reading through a single book on a subject is not something you should expect to give you full understanding of it. Not that books are…
I think part of the problem is that the author of TFA sorta "buried the lede" and didn't really get to the point until very near the end. I suspect a lot of people got bored and quit reading before that point. Honestly, I did, and it wasn't until my second reading that I got what he was saying near the end, which is admittedly a somewhat different take.