Maybe, but in the case of SVB, deposit amounts were suspiciously similar to assets.... The BOE is simply pointing out in the link that they are the only proper

Maybe, but in the case of SVB, deposit amounts were suspiciously similar to assets.... The BOE is simply pointing out in the link that they are the only proper bank in the UK. All the others borrow from the BOE to make loans. Commercial banks don't "create" money any more than the BOE "borrows" it from elsewhere.... The BOE creates money and lends it to commercial banks who put up a deposit and make a reasonable case for credit.