There's nothing wrong with authors submitting their own articles to HN. On the contrary, authors honor HN by sharing their work here and engaging with the community about it.
As for the Amazon links, if it's actually true that they were just links, not referrals, then you owe him an apology for more than just being rude.
As for the Amazon links, if it's actually true that they were just links, not referrals, then you owe him an apology for more than just being rude.
We detached this subthread from https://news.ycombinator.com/item?id=11014139 and marked it off-topic.