I'm selling a digital product, so it doesn't require shipping.
I've already unchecked the "physical product" option in the product editing menu.
Now the customer doesn't have to fill in shipping information during checkout, which is good. (Sadly the customer still needs to fill in billing information, but I've understood that this is necessary).
However, the problem now is that when the customer arrives in the checkout review screen, the customer should still: "Select the address that matches your card or payment method." The customer has to choose between: