For the most part agree with all above. I passed off the deep strike part as being more about unsupported Army helo aviation than anything joint or AF centric. In that the authors may have a point worth discussing.
The portion on JFE is certainly interesting and something worth discussing. Vertical envelopment and amphibious assaults are going to be increasingly difficult to accomplish with widely proliferated, cheap and mobile ADA, anti-ship missiles, and loitering, kamikaze UAS. Not to mention any adversary with heavy artillery.
I’ve worked with a pretty wide cross section of Army guys over the years, some fall into the above category you describe, others realize that we (The US military) isn’t getting anything done without the other services. The two authors of the above article probably fall into the former category if I was to guess, but they still make some valid points.