So, my gut feeling says you're right, but your methodology here is wrong: HN aggressively encourages sharing the original story, cutting out any intermediates.

So, my gut feeling says you're right, but your methodology here is wrong: HN aggressively encourages sharing the original story, cutting out any intermediates. HP, for all their reach in making stories go viral, don't actually produce a lot of original content. When something is on NYT, it is generally original.