It's the perfect store of value.
Even gold's above ground supply doubles every 3 or 4 decades.
It's optimised for storing large amounts of value for long periods of time. Nothing else has the fundamentals that come close.
As more and more people/countries realise this, the demand and therefore value will continue to increase. The earlier adopters will have a large advantage over the late adopters.
It's the perfect savings technology for people/companies/nations.
Just as TCP is the digital protocol for the internet, bitcoin is the digital protocol for money. It's quite something.