I have said these exact words to some people (LCF I believe might have been one of them many years ago)...
At certain times in every divers development... you need to stop worrying about your skills at that level and just go dive and have fun and realize the world is a big place with lots of people and fish in it (71% of the globe) and that by gaining some dive life experience you will round out what you already know and develop soft skills that you didn't realize were important and just generally remember why you are diving (to see interesting things right?)
After a few dives (5, 20, 50) you are way better prepared to practice again in a more formal or controlled atmosphere. To my knowledge I have only felt like I have offered this recommendation when it seemed like there was a bit too much head banging going on with the practice, too much frustration, an excessive focus on one issue to the potential detriment of being well rounded, and not enough fun which leads to burnout and quitting the sport.
So no, the skill probably won't improve a lot by "just diving more". But does it need to? Is it good enough to go have some fun and fall in love with fish (or wet rocks) again?
I guess a lot depends on how a person is wired, and we are all wired a little differently. Those of us who are wired for problem solving, when faced with a challenge, want to break it down into pieces, and knock them down one by one. Advice that does not feel very actionable or not too specific, and does not seem to want to break into pieces, does not "compute", and can feel pretty frustrating. But, I see your point. One can get obsessed with self-improvement to the point of burnout, and burnout is real...