Earlier quoted context omitted.
> Please don't use Hacker News for political or ideological battle. It tramples curiosity. https://news.ycombinator.com/newsguidelines.html
In my opinion, it's relevant to Card's credibility. If he shows poor judgement in one area, why would I want to listen to his opinion on something else, even something which is considered to be in his wheelhouse? Poor judgement is poor judgement.
It sucks that he has those ideas, but he's a good writer.