Kadiera's Playground Cute but Evil - it averages out

Can someone please enlighten me on the leap of logic that says that gay marriage means teaching 7 & 8 year olds about graphic gay sex? I mean, I heard a guy say this on NPR yesterday, and I'm still trying to wrap my head around how we make that leap.

Especially given the completely inadequate state of current public school teaching of the birds and the bees....