Given that this article does not exist alone, but rather within the context of the broader website, readily available by means of the ever-present header with links, I believe it is safe to assume that any reasonably intelligent but unknowing user can do the research on their own.
Additionally, as long as the question "WTF IS THIS??" is not forbidden in the HN comments, even those lacking the domain knowledge, or a sufficiently useful description on the site itself or a useful Wikipedia page, I think the extent to assume is fairly low.
That is, I think it's safe to assume the internet, and its users, exist, and that the reader is sufficiently intelligent to make use of the resources available to them, when writing a post to publish online, if it's not intentionally an introductory post