people don't forego condoms in high income nations due to lack of access, distribution, cost, or stigma.

they make the experience measurably worse for a maybe insurance.

I don't know what fixes that reality other than (maybe?) mass-traumatizing youths with stories and photos of STI/HIV victims, essentially scaring them into wearing a rubber at the risk of scaring them out of sex entirely.

... which is why a vaccine sure would be nice.