Intentionally creating inhibitive costs for the sole purpose of preventing bad actors is playing a game of whack a mole. It only temporarily solves the problem

Intentionally creating inhibitive costs for the sole purpose of preventing bad actors is playing a game of whack a mole. It only temporarily solves the problem and ruins it for the rest of the customers. There are other ways to address scammers that do not involve making the entire market more expensive for expensive's sake.