That's not clear. The list is rather more interesting than what you (or the article's author) suggest. Its also rooted in logic (arguable, but laid out ex-ante). Some of these are also autobanned on HN (https://news.ycombinator.com/item?id=6657066).
[eg] The following is a list of major domains that have been banned by the moderators of /r/Politics and listed here in the interest of transparency:
[eg] The following is a list of major domains that have been banned by the moderators of /r/Politics and listed here in the interest of transparency: