Yes, as it establishes the potential bias of the article author. If this article was written by typically a pro-nuclear author it would be much more noteworthy.
https://news.ycombinator.com/item?id=26213984
Predictably, it didn't bring up the costs (though of course the first comment on HN did) but it tried to play the "environmentalist who has seen the light" angle pretty hard.
It's actually kind of weird how many articles like this do get submitted to hacker news. Link says "it's safe & making a comeback", comments say "it's just not economic and no" <- this has happened quite a few times.
It might be useful if they tried to conceal it. E.g tried to present themselves as an objective researcher at a think tank that takes money from general dynamics/lockheed or a journalist who clearly hastily rewrote a press release.