It’s more like anything that deviates from how it normally works is considered contrary to the point of it all and thus that becomes taboo, i.e. the details of how you might like dressing up as authority figures to get the ball rolling.

Make no mistake, people in ancient times were fine starting the very first chapters of their scriptures with “and then the first man and first woman hit it off” which they no doubt relayed to people early in their upbringing.