Statements like that always puzzle me. How would you be able to tell? For example, it is entirely possible that they called it right, back in the 1950s, when t

Statements like that always puzzle me. How would you be able to tell? For example, it is entirely possible that they called it right, back in the 1950s, when they said Rock and Roll would ruin society. We have no access to what would have happened without it, and so nothing with which to compare .