No, it took 60 researchers (geneticists, archaeologists, radiocarbon dating specialists) to collect and analyze the data involved in drawing a fairly sweeping conclusion involving a wide array of evidence from a large portion of the continent. They all deserve credit for their contributions, even if they didn't directly contribute in an authorial sense.
You can see author contributions at the end. It took 5 to write it, and everyone else to get the samples, perform experiments, analyze data, etc. Pretty typical for genomics.
>You can see author contributions at the end.
GP could probably do well to take a cue from their own username...
Of course if you read my note, you would realize that I actually could not read the paper. I can barely make out that there are so many authors...
the acknowledgments list how many of the authors contributed, if you’re curious about specifics