> This is surprisingly basic knowledge for ending up on the front page.
Nothing wrong with that! Hacker News has a large audience of all skill levels. Well written explainers are always good to share, even for basic concepts.
Agree! In fact, I would appreciate more well written articles explaining basic concepts on the front page of Hacker News. It is always good to revisit some basic concepts, but it is even better to relearn them. I am surprised by how often I realize that my definition of a concept is wrong or just superficial.
In principle, I agree, but “a message queue is… a medium through which data flows from a source system to a destination system” feels like a truism.