Quite simply they are already making excess profits.You think the bank will let costs eat into its profit without passing the cost on? You know how insurance works?
Not sure what open banking has to do with reimbursement of scam victims.
None of this is relevant to the discussion at hand.
Paying back scam victims isnāt consumer protection, because they arenāt consumers. Giving all your money Patel Pajeet over the phone isnāt a protected commercial transaction.
Regulation is forcing banks to provide open banking just in the same way that regulation would force them to reimburse scam victims.
Customers to banks are also protected by consumer rights. In NZ, a bank will be prosecuted for breaking the Consumer Guarantees Act in the way it deals with it's customers just as other businesses are. In fact, banks are specifically mention in the Act. Under Law, a customer of a bank is a consumer as they are using services provided by the bank.