Bitcoin cannot replace the value of gold since.
Gold continue to increase its value every now while bitcoin depends on the demand of its users/ investors.
But to think that gold has unlimited supply - it is a big NO because why that the price of gold increases if it has unlimited supply? Come to think the law of demand and supply and your will realize.
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But some people appreciate the value of bitcoin as gold - we can not deny that, it's their own perspective.
because:
Gold is thought to have been produced in supernova nucleosynthesis, and from the collision of neutron stars,[47] and to have been present in the dust from which the Solar System formed.[
https://en.wikipedia.org/wiki/Gold#Origin