> I'm not entirely sure why buzz around "developer learns basic knowledge" has this on the front page.

Because it's a well written, humble account of learning from a mistake then using it as an opportunity to teach others to help them avoid the same mistake.

If anyone leads a team, I hope they might learn from this approach, rather than just bashing on people and implying they don't deserve any attention because they made a mistake a more experienced developer might have dodged.