You are exactly right. The DNS part of this is only that by pointing your DNS entries at them, they can override specific domains to go through proxies. In this

You are exactly right. The DNS part of this is only that by pointing your DNS entries at them, they can override specific domains to go through proxies. In this case using proxies in the NL, which is apparently the single and only European country that gets this free viewing right (and likely will find that right quickly disappear as a bunch of Americans start proxying through it). For articles like this the author really needs to save the justification because it is a) ridiculous to the people who see through it, b) unnecessary to the people who already buy in.