These [sex manuals] reflect an age in which, it appears, the only hope for heterosexual love is technical know-how. Supposedly designed to free the reader from Victorianism and guilt, these books constitute clumsy, self-conscious attempts to liberate the reader.
Source: wiktionary
It is simply the imposition of more Victorianism into community standards.
Source: wiktionary
As [Virginia] Woolf, a founder of the Bloomsberries, famously declared, human nature changed “in 1910, on or about December 10.” That, she thought, was the day that Victorianism died and a new order arose.
Source: wiktionary