Those sources....
I'm not sure how you get HIV affecting homosexual men disproportionately as a battle against discrimination...
I know you said that it isn't... But why bring it up? There's nothing that can be done about it that isn't already being done.
You can tell people all about the risks, but it's up to them to take preventive measures.
It's simply because that population has a high incidence of it... There's no great evil behind it- I think people are more than aware of the risks and lack of education isn't the issue.