"Selection pressures" This concept is massive. It doesn't dictate what can be written, it only dictates what will be read. Not though any regulation, but whether a story or face, or idea fits the prevailing narrative. As a concept this is fundamental in so many ways.https://twitter.com/jeannette_ng/status/1221634938161827841 …
and (I should point out) writing, or researching, or talking without challenging the status quo is: 1) not very creative, 2) discriminatory, and 3) boring. It means you are *not thinking of new stuff*, you're settling for the ordinary.