I don't see a problem. If things get repetitive people will start complaining, but in the meantime these posts have been upvoted out of interest.

Many HN submissions have political overlap. That doesn't make them off topic here, as long as their intellectually interesting aspect is stronger than their politically inflammatory aspect. I think that's probably fair to say about this submission.

If you want more explanation, I've written a lot about this in the past, such as at https://hn.algolia.com/?dateRange=all&page=0&prefix=true&que....