My colleague is just bringing out a paper that shows that for variants that are rare in the population, the techniques used by 23&me and similar produce results

My colleague is just bringing out a paper that shows that for variants that are rare in the population, the techniques used by 23&me and similar produce results that are almost exclusively false positives. https://www.biorxiv.org/content/10.1101/696799v1 https://www.biorxiv.org/content/10.1101/696799v1