Exactly. Essays on essays being written on irrelevant, hell even if you decide to skip and scroll past any answers that look like ebook you can't scroll enough to skip to the precise and meaningful answers.
90% of that "advice" could be copy pasted onto any "how do I learn something", and the remaining two sentences related to competitive programming are so vague that he links to the wikipedia page on "Algorithms" and the wikipedia page on "Programming Language"
And that gets you 460 upvotes, far above some of the better answers at the bottom of the thread.