Hazlitt wrote:Some of the most important strictures against sexual freedom are religious..
Maybe, this is true regarding the USA. Since early '30s militantly atheistic Soviet authorities imposed total taboo on anything pertaining to sex, they tolerated it only for procreation purposes and for recruiting informers (by means of the police or KGB blackmailing people whose "illicit" sexual activity was recorded by hidden cameras).
Many of the types of sexual behavior (prostitution, homosexuality, etc.) were criminalized in 1934, and perpetrators could spend 5-10 years in labor camps for being involved in these. And all these efforts did not bring any results: commercial love did not disappear there even for a day...