Standardizing an API by a central authority means more centralization, not less.
It is not difficult to sympathize with people who do not fully trust banks, especially if you grew up in a third world country with corrupt institutions. There have been times in history where you could trust banks and times in history when you could not. I'm not sure the past 70 years of grand prosperity for the west is a good way to gauge the trustworthiness of institutions owned and operated by others, since in the full scope of history the outcomes have been mixed.
That doesn't mean decentralized web3 cryptocurrency stuff is the one-size-fits-all answer, but I am sure to some people it is. And people should be free to choose the way to protect their assets and hedge bets against different local and global outcomes as they choose. Governments are the same way, with their large stockpiles of real physical goods like weapons and gold.
If they are generated ad-hoc by members of the public and agreed to not by coercion. In the case of the UK open banking initiative, it was largely a collaboration between large banks and some fintech providers after being mandated by parliament. Hardly the Linux mailing list or a Python enhancement proposal.
edit: Not sure why I'm being down-voted. If you believe that government created and mandated "open protocols" are really the same as decentralized protocols, imagine what it would be like if the US government forced every major institution to use the backdoored Dual_EC_DRBG they created instead of a sane cryptography protocol. A government enforced "open protocol" is not open at all if you're forced to use it.
It is not difficult to sympathize with people who do not fully trust banks, especially if you grew up in a third world country with corrupt institutions. There have been times in history where you could trust banks and times in history when you could not. I'm not sure the past 70 years of grand prosperity for the west is a good way to gauge the trustworthiness of institutions owned and operated by others, since in the full scope of history the outcomes have been mixed.
That doesn't mean decentralized web3 cryptocurrency stuff is the one-size-fits-all answer, but I am sure to some people it is. And people should be free to choose the way to protect their assets and hedge bets against different local and global outcomes as they choose. Governments are the same way, with their large stockpiles of real physical goods like weapons and gold.