I think the author did a great job and took quite some time to share his knowledge with us. Pity the average response on HN tends to be a compliment followed by

I think the author did a great job and took quite some time to share his knowledge with us. Pity the average response on HN tends to be a compliment followed by a but.... I guess we feel we are always smarter than the next guy, he just happens to put in the effort :-) Well done, loved it all the way!