Let’s regress in time to the 1980s.
Remember C. Everett Koop, the Surgeon-General who launched the Safe Sex movement? Koop wanted to curtail the spread of AIDS. The Safe Sex movement started slowly and originally focused on non-monogamous gay men. By 1987, though, everyone was doing it. (Or not doing “it” as the case may be.) A February 17, 1987 New York Times headline declared “Safe Sex Movement Gains Favor Among Heterosexuals.