There is a reason that it became common practice for an introduction to give a broad overview of the topic. It seriously detracts from the writing when the first paragraph plunges you into deep background, and you don't get a hint as to the supposed topic until halfway through.
This has been how storytelling has been done for centuries, it’s a a mark of thoughtful feature writing. The Atlantic is over 100 years old and extremely prestigious, it’s resonable to assume that at least from a technical writing standpoint they know what they are doing and do it on purpose. It’s not writing intended for a textbook or academic paper. It’s a story. You’re supposed to read it and get introduced to thi…
What I object to is an article ostensibly on Topic A that spends the first 60% completely ignoring Topic A in favor of Topic B, only to draw the most fleeting and hand-wavy of analogies between the two, and subsequently pretending as if the author had presented some work of scholarship on Topic A.
"Until halfway through" was not an exaggeration in my original comment.