Depending on what you meant by “very easily impressed with basic factual statements” it could go either way. I’m an adult and I’m happy to admit I don’t know a lot things, sometimes I’ve been stunned that what I believed was totally wrong and all it took was some to give me a basic fact to make me realise.
I’ve put many signs up when working construction for warning of all sorts. People don’t read signs. There’s so many everywhere now trying to throw some sort of product down our neck that we’ve gone sign blind.