You lost me at "lactic acid:" "Lactic acid" is basically the good guy, shedding an atom and helping ADP become ATP.
While this is absolutely correct, the elephant in the room is that when it crystallizes it shreds muscle slowing down strength, hence the pain several days later. Prevent that it is a better be development.
Fatigue is also cause by drop in O2 levels in the blood stream VOmax and VO, yes I do understand these things. Short of blood doping these levels are max out based on genetics.
So performance and fatigue can be controlled by things that you can legally and ethically in sports that you can control. How you recover and suffer is one of those things.
Subjectively, anyone that I’ve introduced to this, is surprised by the positive results.
Believe or not, is your gain or loss. How this effects you is all in your prospective and is not a question of right or wrong.