Hello,
If one takes a cursory look at modern media and the stereotypes present, one comes away with the notion that people in the 60s/70s never shaved their genitalia and that was considered attractive. Further, from looking at modern pornography it is clear that there is a trend / preference for clean shaven, if not altogether waxed genitalia. Is the preference for clean shaven genitalia entirely new, or is there a cyclical pattern in terms of society’s sexual grooming preferences?
Further, if the media is the entity “pushing” these fetishes, why do they do so? To clarify, if people are “enjoying” a certain grooming standard, what causes the porn industry to change that standard and how does media have the capability to shape our sexual preferences to such a degree?
Only answers part of your question and not the meaty (hairy?) bits but:
To an older question asking if it's a new trend, u/Celebreth offers Roman proof.
While u/sunagainstgold discussed women hair removal practises in the Middle Ages.
And u/QuickSpore's explanation here.