Ed, Attitudes and a consensus do NOT constitute a fact, when permissiveness is 'alleged' to be based on 'genetics'....and that theoretical notion has been clearly debunked.
There will always be those who are motivated and driven, by a political agenda, who will insist, that there is not changing course, as long as it fulfills their political agenda's 'needs'....no matter how factually incorrect they are.
Dave the Gnome said he had NEVER heard of an 'Ex-Homosexual'...and I provided quite a few instances that should have enlightened him. If those who still don't believe it, just plain don't believe it, that's THEIR problem...not mine.
Delusion, of itself can be at least 'entertaining' to those who insist that their favored delusion is reality!

GfS