Are you really arguing for not just typing out whatever 3 words this stands for once in the name of clarity?
It's like complaining about not spelling C in "bake cake in 170 C"
But not all, so: https://xkcd.com/1053/
(Amusingly, it even uses “30 years” as the timeframe.)
Bear in mind that Google search results, just like ChatGPT output, are highly personalized and non deterministic, so "it's there if you do a Google search" means almost nothing these days.
In fact, I have no idea what's going on, so I came back to HN comments. Turns out it's "capture the flag" which I actually know, just not familiar with the acronym.
Which is why I am 100% with the top level comment here.
Additionaly Bake Cake in 170 is very not clear, especially considering you have two major Temperature Scales in use in the Kitchen.
They aren't your teacher. They aren't trying to send the content to you. They are just blogging on their own website for their own audience.
And its hardly unique to this article. If you are writing about the nitty gritty of linux networking, you probably aren't defining what TCP or UDP means. If you are writing a super detailed article comparing and contrasting plot structures of different animes, you probably aren't going to start by explaining what the word anime means. Etc
I'm not saying the world should be all RTFM, but if you are reading some sort of specialized content, then yes i think its a reasonable assumption that the reader has some basic background knowledge on the topic at hand, or is willing to do the research themselves.
