TL;DR: they learned absolutely nothing. Lots of useless speculation, emphasizes CBT and LP as effective treatments. And the music therapy + CBT trial, for some reason. Only one mention of GET, without labeling it as such, a pilot program. The rest is basically a slightly longer version of Wessely's "well, we thought it was depression, but could not confirm it" (not a quote, loose paraphrase).
Seriously they learned absolutely nothing and are boasting about having accomplished nothing.
Also because it's especially relevant to Long Covid: I did not see any mention whatsoever that this is related to infections. They simply don't bother with any of that, just generic idiopathic fatigue.
I remember a Crawley (IIRC) paper from a few years ago that analyzed letters sent by teenaged patients to fatigue clinics, basically describing their situation, their symptoms, etc. And the #1 term was virus. There is no mention of symptoms, or illness, in this review, only fatigue as a vague concept.
What a failure. This is decades of efforts by thousands of people and expenses that amount in the billions already, psychotherapy services aren't cheap when they're used to excess.