The relationship between banks and cryptocurrencies and the blockchain technology has not been cordial of late. Banks have the mindset that crypto activities are not friendly to them. therefore, it will be difficult for the two to coexist under one roof.
Your opinion is not entirely correct. For the use of bitcoin the bank refused. But the technology used by bitcoin is blockchain, the banks are very supportive even some large banks have used it internally because it can improve efficiency, accuracy and security.