I would suggest the photocopy of a crunched up semi-nude Madonna photo from the 80s caused our imagination to soak much more than what is available online.
At the time many lighters and cards had nude images. It was much more common and celebrated.
There are endless videos on any topic.
Do you not see how the infinite novelty of endless porn videos accessible in the palm of your hand is different than the (crude and still objectionable) magazines sold in corner stores?