Friends, a Keto Question

Humans keep ar. 2500 cal in "carbs" stored in muscles & liver.
So does one enter ketosis by fasting 24h (assuming 2500 cal/day expenditure)? If so, shouldn't one remain subsequently in ketosis regardless of food composition if <2500 consumed afterwards?

— Nassim Nicholas Taleb (@nntaleb) June 22, 2020