I have little interest in gold as a currency either, so being “good as gold” would just make it another investment in my mind. I realize that gold has been around a long time and people have irrationally treated it as a valuable and transferable asset.
Money merely is a place holder for time.
Some folks time is more valuable that others.
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A 6,000+ year history around the globe across all major civilizations is not irrationality. If you want to find irrationality you should look in a mirror.