Comment by generalizations

The contents of the HN front page is determined by the HN readers, and is not uniformly interesting to all of them. It is up to the article presented to the users to prove that it is worth the time to read and deserves to be on the front page, and this one doesn't to a great job of that.

The marshmallow test should have a follow up, where the person offering the marshmallow has to prove credibility, and the person receiving it has to decide if it's worth waiting. Would be an interesting view of human interactions.