>>12591730It was good for writing things by hand, something rarely done today.
In small communities where everyone knew each other it was also basic identity fraud protection since each persons handwriting is unique and hard to fake.
In the early days of credit cards people would make you sign your name and then check to see if the signature matched the one on the credit card to ensure you were not using a stolen card.
Today store staff give 0 fucks so cursive has little value today.