This doesn’t seem like they figured out anything about “high functioning teams”, they just performed a survey.
Like, do these companies actually ship faster, have lower rates of issues, better MTTR, etc? This just says things like “there are more full stack engineers”.
At least the Puppet state of DevOps report gives you a “low, medium, high” categorization. This doesn’t seem to be describing much other than some trends they saw this year.