“They can and do shift greatly based on what people hear.”
(Back to communications, media, “village” chatter and jungle drums, then Paul Krugman.)
Indeed.
However. The tiny capacity that remains in each of us, is the Achilles heel, the thorn in our feet, of which we are challenged each moment, each generation, every epoch, every “civilisation” to realign, to permanently abandon; or face the groundhog reality of Self superiority acting to dominate All else.