The stripe number of "2-3% of the financial system will always be fraudulent transactions" is really interesting.
How much energy do organisms spent on their immune systems?
How many animals in a given trophic level are predators?
How many people employed in computers are black-hat attackers?
What percentage of population is cops?
@niplav 1600 kJ/380 kcal, all of them?, dunno, about 0.2% of the US pop is cops (700k/330m).
@niplav "how much energy is spend on our immune system"
I got lucky, actually, cuz the first result is part of a research paper that's paywalled, but you can see it in the robots.txt