freedom loving Democratic socialist here, this stance is very St Thomas Aquinas of you. let people continue to do the things you did without pulling up the ladder behind you. it's just for a night or two, the animals will live.
In the case of video games, I ironically agree on ban for kids on video games with online multiplayer. Kids should be forced to socialize in person in way greater ration that their online time to see that online personas are not real
In the case of sex before marriage, the opposite is probably true.