To expend on your summary, this trick is necessary on Windows (only), because it does not allow over-committing and also does not have an OOM killer which you can instruct to kill content processes instead of the main process.
Only when it's used ironically. If the article uses that as a headline and forces you to read the whole thing before giving so much as a hint what the "one weird trick" is, then it's legitimate clickbait.
Don't get me wrong, it's an interesting article. I just think if an article is attempting to humorously use a clickbait headline, then it owes it to the reader to at least add a subheading.
Some of the things coming in iOS like notification summaries and similar features are big examples. It's clearly LLM based but it's not a lot of the shoving AI needlessly into things that we are seeing now and provides a true improvement given the notification overload that we have right now.