Not exactly pointless,
Can help people with rare cases of Dyslexia,
recording yourself reading out backward words and then reversing it gives your voice that creepy voice that person from Twin Peaks had.
In your stuck in a room and your only outlet is a small steamed window, you can write a message for help backwards so they can read it on the otherside.
Leonardo the vinci wrote backwards because he was left handed and didn't want to smear paper with ink when writing.