Kudoes to Mr. Kulkarni for a perspicuous find; few of us get to adolesce.. in more than one culture so, we can't tell if the execrable urge-to-conformity is handled as inanely as in the US.
(I'd surmise though, that the same pernicious after-effects of The Puritans manifests in all relationships and always its mechanism is the creation of yet more sanctimonious stereotypes.)
I can see the differences in today's folkways VS my earliest experience, aided by the great photographs;
'all touching' was not presumed to be related to orgasmic-fantasies. I'd guess that the largest alteration of traditional Murican judgmentalism shall happen next:
with the dilution of our Sea of Ignorance via ... ... dribbles from the entire Intarweb.