It has a block of text, whose purpose isn't clear at the beginning [1], and requires you to read the entire comment, in its thick prose, and the article in order to understand, and even then you have to guess which point its referring, but could be wrong because cercatrova didn't actually own one.
Here is how I would have done the comment:
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>people worried that the electric push button would make human skills atrophy. They wondered if such devices would seal off the wonders of technology into a black box: “effortless, opaque, and therefore unquestioned by consumers.”
This reminds me of Socrates's story about how people in the ancient world worried about the atrophy from being able to use writing:
>>"For this invention will produce forgetfulness in the minds of those who learn to use it, because they will not practice their memory. Their trust in writing, produced by external characters which are no part of themselves, will discourage the use of their own memory within them. You have invented an elixir not of memory, but of reminding; and you offer your pupils the appearance of wisdom, not true wisdom, for they will read many things without instruction and will therefore seem to know many things, when they are for the most part ignorant and hard to get along with, since they are not wise, but only appear wise."
Full context (Plato's Phaedrus 14, 274c-275b): https://www.perseus.tufts.edu/hopper/text?doc=Perseus%3Atext...
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Advantages:
A) Gets right to the point (so that if you already know the point, you can skip it.)
B) Saves everyone the time and effort of reading thick prose, most of which includes references to historical figures
C) Still quotes the relevant part.
D) Still contains a quick link to the rest of the context that cercatrova considered oh-so-important to add.
E) Contains a citation that can be googled in case the link goes dead.
F) Doesn't take a big wall of text.
But yes, it does have downsides: it G) takes actual communication effort, H) owns a specific point, and I) doesn't make cercatrova look cryptically wise. If those are your desiderata, then yeah, I agree he did it right, and everyone was right to vote it to the top of the discussion.
Can you elaborate on what you think we gain from making everyone read 6x as much with no indication of what the actual point is?
[1] I'm including people who weren't already aware of the quote, though you don't seem to think their vote matters here.