Most news and news sites in general are not about only things that are practically very new, and most articles around even new technologies are reiterating the same information.
HN isn't robot9000. Not everything needs to be wholely original, nor is that HNs purpose - there's pretty clear guidelines around reposting the same article in the guidelines, so why would multiple takes on the same event not be worthy of discussion, to the point of flagging?
I think the OP is clearly worth overriding the flags for, despite the culture war aspect which does lead to crap threads, no doubt about it—though the comments here are mostly good so far, and one even talks about Rider Haggard.