This money created, must be destroyed then, to balance the accounts of the bank, it is accounting ...
Yes, in the case of a conventional loan (since money splits functionally), but that is not the way money works. We can say that it is an acknowledgment of debt exchangeable to infinity and because of the circular nature of the exchanges is well as it happens. This is also why the money supply tends to grow according to the growth of the volume of the goods (because of the incorporation of human labor or rent) ...