Except it has none of the properties of gold as an asset. The value of bitcoin is highly correlated with equities and anti-correlated with gold. It’s the opposite of what you want to be holding as a hedge against a stock market crash.
What is the current supply of gold and what will it be in 2050?
The only thing that separates BTC from all the derivative shitcoins is hype and stories we tell about it. Bitcoin is itself interchangeable with an infinite number of related algorithms/schemes.
Gold extraction definitely has its problems, but it's a fundamental element of the universe.
In 100 years, I know which one will definitely still hold value.