It's a way to say "to people not interested in reading the entire article, this is the most important information:"
Yep - the article itself isn't terrible exciting outside of the core AWS numbers, but this now serves as the place for the HN community to talk about it - because the numbers are what's interesting.
He was summarizing the "cloud services" relevant points for those for whom the article is "too long, (won't|didn't) read"