I get it. Allow me to reframe it for PG and others that agree with the sentiment below....
Usually we are referring to this as a language.
There exists many kinds of language. We can think of actions and choices as a kind of language.
Morality works and evolves in a similar way.
We are all guided by a moral language, and most of us have a shared understanding what it means. But the meaning and effect of it is constantly changing.
They are usually insulated from the root causes that influence the changing “language”.
They don’t know any better, but they should. And we have to continue to push them to do better.