Using a condom didn't help the man in my example.
A true news story. He used a condom, and the woman fished his used condom out of the trash to get pregnant with his sperm.
People who smoke cigarettes and also hike trails are told to remove their cigarette butts and all other trash — “pack it out.” Yet men who have sex with women to whom they are not committed in a married relationship that welcomes children seem to feel entitled to leave their trash on their trail of irresponsible littering and broken maturity.