There are lots of books we could all read instead, but she uses a great mix of explanations and code and has an approachable reading style.
She also uses tools that we might want to use, so it's less abstract.
This article isn't stuff I didn't already know in some form, but now it's made me want to write a debugger! :)
The domain jvns.ca gets submitted by a variety of people. (Lots from ingve, but that user submits a lot of other stuff too.)
So it's probably that people post it, and other people upvote it.
Do you think it's something that is interesting?
Many (maybe "more interesting") articles about deep details of something don't get much attention because you need a lot of previous knowledge to understand what is going on, that hurdle almost never happens with her articles. Introductory articles often get more attention that way.
And sometimes I notice that apparently I didn't know as much as I thought about the details...
It's fine for you not to find every post on HN interesting or discussion-worthy. There are other people who are interested and having a good discussion.
This just reinforces my suspicion that that this blogger's friends and coworkers are the reason a single blog constantly ends up on the front page of HN regardless of merit.
"I suspect vote rigging" accusations aren't nice. You should send them to mods at the email address rather than post them to the thread.
In my opinion this starts to feels very self self-promotional.
As someone who enjoys variety and diversity I think it's a valid question.