It won't inflate aways like fiat.
It requires no upkeep like buildings and other property.
It requires less intuition and research than fine art.
It is more portable and storable than gold.
It is more readily accessible than most things.
It is less dependent on products, market fit and changes, executive changes, etc. than companies.
It will take some value from each of the other stores of value based on investors' preferences and abilities.