Anytime that we convert energy, there is a point of diminishing returns.
The only point where I would disagree with Mr. Lavry is about limiting bandwidth at the beginning. Every one of us has done something in their lives where we wished later that we had invested a "bit" more at the beginning. Musical events are generally unique. Capturing them should involve as much "foresight" as possible. On the other hand, maybe the secret of vintage high quality recordings was the limited bandwidth available through the entire process. Maybe, just maybe 20KHz is evil - even although it is audible........?
In any case, it probably still makes sense to design audio devices that exceed the frequency, dynamic and speed range absolutely necessary. The only question then is where does the bandwidth limiting belong? What shape should this limiting have? Romy likes FM - there we have a brick wall filter at 19KHz for the pilot tone. Tape recorders have a brick wall filter determined by the head gap size. Many professional mixing boards use transformers that also limit bandwidth. I do not know.
Whenever I feel blue, I start breathing again.
I guess this is not really new. A well designed BMW V8 engine runs as smoothly and quietly as a V8, V10 or V12. Professional bike riders have a pace that gives them the optimum endurance and speed. Professional eaters pace their bites to get the "most" out of ingestion.