'should be as common practice as wearing a condom and birth control, yet its existence isn’t even known to many people (especially among straight people).' - no

'should be as common practice as wearing a condom and birth control, yet its existence isn’t even known to many people (especially among straight people).' - not sure if you've seen who HIV effects, but if it especially effected straight people in the west (straight people in africa know full well about it) they would know about it.