Earlier quoted context omitted.
I'm not a big fan of this article, but I don't think it's advocating reading less. Rather, it advocates rereading a few core works more. There's something to be said for knowing a few things well instead of trying to know everything, but I also think getting exposed to new ideas is important.
I think my main disagreement with the entire tenor of the article, is that it treats reading as just one more aspect of the modern obsession of 'self-improvement', whereas I read because it's fun. This doesn't mean that I never re-read a book - last year I re-read War & Peace, for instance. But I didn't do it to somehow deepen my knowledge of a 'core work' I read it again primarily because it's an immensely enjoyable…
Not only could can you appreciate the natural phenomena more, but you just shared that appreciation with tens (hundreds? thousands? no idea what the scale of comment viewings is for HN) of other people who can now appreciate the fact and share it with their own children and others around them.