We live in a culture that preaches against controlling impulses and curbing deviance, and those who practice discipline and good character are ridiculed. It’s completely foreseeable that a small number of people who are so inclined will interpret this as a ‘green light’, and feel bewildered when they’re punished for it.
Read up on the "sex positive" proponents and their agenda. Feminists, socialists, and "psychologists" like Kinsey and Riech gave us this albatross.
It seeks to end all moral judgements over ALL sexual pairings regardless of sex, age, relation, marital status, number, or species of partner(s).
Likewise, as best said by Bill Ayers (who engaged in partner swapping and homosexuality while in the Weather Underground), they sought to "smash monogamy".
It is a "secular humanist" ideology that is decidedly antiChristian in its approach (they call religious moral teaching "sex negative" if that's a clue).
The oppose abstinence, not because "it doesn't work", but because they ideologically disagree with the concept of not acting on a sexual desire. They call that "unhealthy".