Pre-WW2, oral was looked down upon because yeah, huge disease risk.
Porn lied. There’s also a spate of “straight men” with gay diseases because they’re obsessed with anal.
It doesn’t matter who you’re doing it with, it matters what you’re doing.
https://www.dailymail.co.uk/health/article-6467611/Four-emerging-STIs-afford-ignore.html
Why adultery got the death penalty, really.
“Which makes anyone cheating on a faithful partner even more repulsive. Imagine staying faithful and your sleazy partner brings this home.”
You can sue them, too. It just isn’t the same as destroying a marriage.