Earlier quoted context omitted.
A human may not technically need all that but the humans who do exist in our society do. A measurement of a hypothetical human foraging in the bush is a useful one but a much more useful one is the energy expenditure to keep a human alive in our society.
> A measurement of a hypothetical human foraging in the bush is a useful one but a much more useful one is the energy expenditure to keep a human alive in our society. Which society? An American one? A German one? What about the iPads manufactured in China for both of them? A human of what income? If you do not draw the boundaries of the system you want to observe, asking how much energy that system uses is not very…
A table of data with all the different variables that you pointed out would be fascinating and very useful.