There is tremendous survivorship bias in this analysis.
While these traits were found in a substantial portion of people who "Get Stuff Done", how about the people who exhibit these traits, but don't "Get Stuff Done"? We have no idea how large that population is.
Assuming the author's research is perfect, and every successful person who "Gets Stuff Done" exhibits these trait. The author, at best, has shown these traits are necessary, but not sufficient. Since many people potentially have these traits and don't "Get Stuff Done", there must be further special sauce which differentiates them.
There is tremendous survivorship bias in this analysis.
While these traits were found in a substantial portion of people who "Get Stuff Done", how about the people who exhibit these traits, but don't "Get Stuff Done"? We have no idea how large that population is.
Assuming the author's research is perfect, and every successful person who "Gets Stuff Done" exhibits these trait. The author, at best, has shown these traits are necessary, but not sufficient. Since many people potentially have these traits and don't "Get Stuff Done", there must be further special sauce which differentiates them.