I don't think an issue of a newsletter which contains a paragraph about one thing among lots of other things, plus promotional padding, really counts as an article about that thing for HN purposes. It seems more like an attempt to promote the newsletter than to share interesting information about hockey sticks.
Is it really unclear what the issue here is? The issue is that the OP was too promotional. Indeed your account history on HN has been, basically, entirely promotional. That's not really what the site is for. This is in the guidelines: https://news.ycombinator.com/newsguidelines.html.
On HN, the idea is for people to submit stories that they ran across and personally found intellectually interesting, not because they have something to promote. It's fine to post your own work occasionally, as long as it's interspersed with interesting posts from other sources. But if you only submit promotionally, it feels like you're not participating as a community member.
To be fair, the stuff you've submitted has been good, certainly not spam. But the newsletter thing was a step too far.
The "view this in your browser" link was always personalized for tracking, not semantic, IIRC. It did include the actual content of "Hello, {first name} {last name}!" tags, which obviously wouldn't work here for every unique reader.
How long does this stick around? As long as you have a MailChimp account?
I guess I assumed that the URL was unique per-user and would be deleted after 30 days, because the primary use case of Mailchimp seems to be not-quite-spam "We're having a sale!" bulk campaigns.
I guess I just like being different.
Is there, in fact, a web-based reference copy of a mailchimp brokered mailing list ? Do all mailchimp campaigns auto-generate these pages ? I have never seen this before.
I've never considered a mailing list, or mailchimp campaign, for rsync.net but for some reason those same things with a bloggy web page backing store behind it weirdly appeals to me ...