Honestly, most mathematics professors I've had have attempted at giving motivation or intuition about things. Not always useful, not always correct and sometimes dangerously misleading, but the attempts are there.
Regarding the posts like mine, they come up because the majority is the other view on the matter: that there must be some way to hack this that somehow is going to be found in the HN comments, and that professors/book writers don't care. And the reality is different: most mathematicians care about intuition and motivation. It's their basic tool of work. But transmitting those ideas and transmitting them effectively is not easy. In fact, there's this funny phenomenon that I've seen in myself and it seems to apply to a lot of people: we forget the intuition we are given for a problem if it doesn't click right away.
I also refuse completely the premise that "people are still not solving it". In this post there are people linking to resources on books/pages with new ways to teach mathematics. People are solving it and each time getting better, and however it's never going to be straightforward to teach mathematics (just like it's never going to be straightforward to teach anything, mathematics is only seen as special because it has a lot more presence in education that other subjects).
Regarding the posts like mine, they come up because the majority is the other view on the matter: that there must be some way to hack this that somehow is going to be found in the HN comments, and that professors/book writers don't care. And the reality is different: most mathematicians care about intuition and motivation. It's their basic tool of work. But transmitting those ideas and transmitting them effectively is not easy. In fact, there's this funny phenomenon that I've seen in myself and it seems to apply to a lot of people: we forget the intuition we are given for a problem if it doesn't click right away.
I also refuse completely the premise that "people are still not solving it". In this post there are people linking to resources on books/pages with new ways to teach mathematics. People are solving it and each time getting better, and however it's never going to be straightforward to teach mathematics (just like it's never going to be straightforward to teach anything, mathematics is only seen as special because it has a lot more presence in education that other subjects).