Well, first off, from the site guidelines:

>"Please don't comment about the voting on comments. It never does any good, and it makes boring reading."[1]

But to address your key point, I'd bet a lot of people are down-voting the grandparent's superior/condescending tone, as exemplified by the following fragments:

>"America’s big problem... yet Americans take it on faith... Americans simply cannot entertain"

[1] https://news.ycombinator.com/newsguidelines.html