People often wonder why Latin died out, but in fact it didn't. If you had been in Rome every day since Julius Caesar's time until now, at no time would people have thought that they spoke a different language than the day before. Latin is still alive, we just call it Italian. But words change their meaning, usually little by little. King James II once described the then-new St.
Many words get their new meanings by misuse.
I suppose everyone has their favourite words where they cringe when they hear them misused. However, that doesn't give us the licence to go ahead and misuse any word we please. A figure of speech where something is referred to as being something which it only resembles. An analogy is a correspondence between things otherwise different. I suppose so.