The words "idiot", "retard", and "moron" used to have legitimate scientific meanings (at the time). Now they're used as insults, completely interchangeable with

The words "idiot", "retard", and "moron" used to have legitimate scientific meanings (at the time). Now they're used as insults, completely interchangeable with each other. Turns out it's not the word, it's the intention behind the word. And who gives intention? People. Not words.