Guess you’ve never seen the inside of the Great Pyramid: it’s several million tons of various types of rock with a couple of very slender passageways and three small rooms.
Too much labor and material and expense for too little volume -
Wouldn’t hold any significant quantity of grain
I didn't say that I believed the pyramids were built for grain storage. I have read extensively about the subject. I'm saying someone who hasn't could believe it without being a wacko.