The take away from this is that people don't want Dollars, they want the VALUE of a dollar. You can have a dollar worth of anything, gold, silver, gas, or Bitcoin. The amount of gold/silver/gas or Bitcoin will change over time but why do you care how much gold/silver/gas or bitcoin you have so long as what you have is worth a dollar.
People don't buy gold because they want gold, they buy gold because they want the exposure to the price. Any asset that tracks the value of gold faithfully is as good as gold for 99% of the people who aren't using gold for industry.