She sounds like she was a hoot. It’s good to know people like that and learn from them so the knowledge gets passed on to the next generation.
One more tip from grandma—the two worst words in the English language that should never be spoken from one person to another....
“You should....”
That is priceless advice.
Her point—each of us needs to take full responsibility for what we do, and stop trying to tell others what they should do.