Or not.
Warren Buffet also said that gold was non-productive in 1998 at Harvard: “It gets dug out of the ground in Africa, or someplace. Then we melt it down, dig another hole, bury it again and pay people to stand around guarding it. It has no utility. Anyone watching from Mars would be scratching their head.”
I suggest that you might not want to quote the oracle the next time you try to sell educated people gold. Some of us read.