Results vary depending on methodology used,
It would be nice if they gave the methodology and data instead of just the opinion or theories. There are other people out there with opposite opinions and just as many facts. When I see an article I can not tell if it is a hit piece or a theory with same methodology as global warming.
There are several methods, all highly technical in their descriptions, and each produces somewhat different results.
For anybody who wished to debate the merits of one method versus another, that would be a lengthy book, not a short summarized article.
But I would argue those precise numbers are somewhat irrelevant, since the main point they demonstrate is that humans are all very closely related to each other, pretty closely related to some others, like Neanderthals, not so closely related to chimpanzees & other great apes, and only distantly related to other mammals, vertebrates, animals, etc.
So the precise numbers are somewhat irrelevant, since they all demonstrate those facts.