There is a certain finite amount of bitcoin that can ever exist. Gold gets mined and mined and mined. Maybe there's a finite amount of gold in the world, but bitcoin is even more mathematical and regulated and nobody can change mathematics.
Everybody knows this, Bitcoin is designed to be deflationary, unlike fiat money, which needs inflation to pay off the debts it's based on. Is it news because a billionaire says it?Having a finite supply isn't enough to give something value. To gain value, anything needs people who want to have it.
The maximum number of Bitcoins didn't chance over the past 8 years, and yet, Bitcoin is worth a million times more now.
And while it's impossible to create more Bitcoins, altcoins are created like crazy, dilluting Bitcoin's share of the total crypto market cap.
When talking about the total amount of gold ever mined, it's nice to visualize:
More gold visualisations on visualcapitalist.com.