But the author clearly states that they "rarely have any publicly available discount codes active on our site." Why have a checkout process where you are going

But the author clearly states that they "rarely have any publicly available discount codes active on our site." Why have a checkout process where you are going to send a non insignificant percent of your users on a wild goose chase, possibly annoying them and/or distracting them when they were about to buy a product. Then blame your affiliates for "scamming" you. It doesn't make much sense.