> It'd be actually nice to have stats on FOSS participation for LGBTs.
No, it wouldn't. It's totally irrelevant to FOSS. We don't need surveys of white/black/latino, or male/female, or Christian/Buddhist/Muslim, or anything else! None of those should have any bearing on ANYTHING in FOSS.
The only thing that I can think of that might have any relevance is location, because different conditions in different places obviously will affect the number of people exposed to and participating in FOSS. But even that doesn't matter.
What matters are individual people, and for FOSS, the FOSS projects they are participants in. What matters is how people treat one another and the code (and non-code contributions) they contribute. That's all.
You know why it seems like racism and sexism won't die? It's because people won't let them go. People want to belong to something, and the easiest things to belong to are sex and race, because we're all born with them. But they don't matter--or they shouldn't. What matters is that we are all human beings, created by the same God. But it's hard for people to let go of their identities, like sex and race, etc, and be content with being part of the only identity that truly matters.