You're arguing against evolution. Not only are we deeply wired to function for long periods of time without food, but when you haven't eaten in a while your mind becomes focused and alert since your body thinks it needs to find or hunt food.
I'm sure Dorsey isn't the only high profile/ functioning CEO who does multi day fasts each week.
I'm sure Dorsey isn't the only high profile/ functioning CEO who does multi day fasts each week.