They are incredibly communicative animals. Their problem seems to be that I am a very stupid creature that often does the wrong thing, like not feeding them every time they’re hungry, sitting at a desk instead of playing with them, carrying them out of the room when they were clearly trying to get on the kitchen counter, and so on.
Or, god forbid, stupid creature that I am, I buy _the wrong flavor food_. Then it's all "why are you trying to poison me, hooman? do you not love me anymore??"
One of the best Human-Cat interactions scenes about food in a movie is the opening 10 minutes from movie The Long Goodbye