If this were true then the military would be at least 40% overweight, ....
Can't speak for "the military" but take a walk around Naval Station Anywhere and you may not like what you see.
It always struck me as disingenuous to have only two PRTs per year and that they're announced well ahead of time. If physical fitness is a job requirement then all should be able to pass at all times. If it's not a job requirement then why have it at all?
To add fuel to the fire of different standards; why are there different standards for age?