Yeah it's a very common generalisation. Modern researchers all think the same thing, people in the past used to think something different. "The days of old hav

Yeah it's a very common generalisation. Modern researchers all think the same thing, people in the past used to think something different. "The days of old have turned to dust" as it says in the Epic of Gilgamesh (ie one of the earliest surviving works of literature includes a moan than things are not as good as they used to be).