Dave, the more promiscuity, the faster the spread.

Not quite the same as 'requires promiscuity' is it Keith?

On emotive subjects I think we should avoid "He said X so he must mean Y"

Agreed, but this is not the case here. One can either say that homosexuality is a perversion or that homosexuals are perverts. Most people understand that both versions are the same. What you are doing is just playing with words.

DtG