Retail buying gold and banks selling them to buy crypto.
Gold is useless for banks in the new financial system gold is not corruption free like btc or crypto there is no actual track of gold how much gold is minted and controlled so bankers don't need gold they need btc and crypto.
Retail buying gold so bankers selling gold and buying crypto.
The biggest secret is that banks buying crypto a lot not gold the gold is for retail buyers.
Which of the cryptocurrency are the banks buying?
Is there a source to this your points or you're working on assumption?
Now what i have to say is this, gold is no more invoking as before because it is centralized, while bitcoin is decentralized, gold is in physical form while bitcoin in digital form, there are many things to consider why bitcoin in cryptocurrency should have more edge than gold starting form its profitability down to other benefits.