I found the article to be a bit "less than stellar". It did not come across that any of these people, and many of the commenters, had every managed or coached folk. It was all micro-managing rules without the needed information to empower the individual.
The Wall Street Journal has an article on "latest research" about hydration during sporting events, specifically marathons. The "experts" are noting that some people can lose more than "3% of body weight" and still not be impacted in their performance.
It proposed that the mantra change from being
"drink! drink! drink"
"drink to thirst".
to avoid hyponatremia by the unwary.
My key learnings about hydration include:
While I cover the actual comments, below, the article summary is:
Most of the other comments on the articles were a bit on the "shallow" side and "all about me" tone and quality.
=> A very good example of why even scanning over the comments is not worth the time since there is little evidence of any degree of useful experience or knowledge to share.