The point of the article is not whether 10x factors have been observed, the point is that (in all cases the author has seen) they are dependent on circumstances

The point of the article is not whether 10x factors have been observed, the point is that (in all cases the author has seen) they are dependent on circumstances/environment and not the individual. Implicitly, he invites readers to re-evaluate their experiences. To me, this rings true for most mundane organizations (not id software).