I'd read through the Legal section at the bottom of the website (http://www.ycombinator.com/legal/).
Anyway, it seems they've set a Header on all their pages which makes iframes "refuse to load"...
Devtools error:
"Refused to display 'https://news.ycombinator.com/item?id=7211514' in a frame because it set 'X-Frame-Options' to 'deny'."