Hashing an answer to many questions isn't prevent someone from guessing the input until the hashes match. So why bother hashing? Recovery codes exist and are c

Hashing an answer to many questions isn't prevent someone from guessing the input until the hashes match. So why bother hashing? Recovery codes exist and are created at the time before recovery is necessary. But most people are going to lose their codes. Who is going to remember what 3 things they picked out of 30 years ago?