I almost don't want to comment on this, but after a few whiskeys, f**k it...
My short answer to the title, is: for who?
The monk within me wants to say, this is fine.
The cynic in me wants to say that the author needed fodder for an article, or whatever that is.
The skeptic in me thinks that he's banging on S&S, not the PM, but explicitly S&S, for whatever reason.
The honorable part of me wants to respectfully deconstruct:
1A) Get-Up x 1/side (upper push)
1B) Swing x 10 (lower pull)
1C) Hip Flexor Stretch x 10 breaths/side (mobility)
Repeat 5 times
2A) Row x 8 (upper pull)
2B) Reverse Lunge x5/side (lower push)
2C) Thoracic Bridge (mobility)
Repeat 5 times
The swing has no hip flexor stretch? The getup has no lunge? A proper swing does not tie in the upper back and lats as the row does? So, the T-bridge is really the only thing not covered... but I think that a lot of us crawl. Hmmm...
In my experience, little more than the swing and get up preps those folks whose lives are at stake every time they go out. I don't know a better measure for efficacy... unless we're talking about hypertrophy, or some other "polished" existence.
Disclaimer: the author of this post is highly biased toward get-up & swing type minimalist programs that helps bring loved ones home at night.
PS: The intellect in me told me to stop writing a long time ago