Good reason would be broken or lost blockchain, then all these letters and digits are only worth a thumbdrive you stored them on. I know it is hard to imagine

Good reason would be broken or lost blockchain, then all these letters and digits are only worth a thumbdrive you stored them on. I know it is hard to imagine because generally bitcoin is new technology, but also because of that - its not that it is impossible. Meanwhile gold is gold; a physical object with very high temperature of vaporization.