Charles Blow ponders the meaning of the findings plotted here in the Times. I'm sure the social scientists will come up with some explanation. Older gays of color and mixed race folks seem more willing to name themselves than presumably more economically and socially secure white older gays. He finds this a mystery.
I find it much easier to fathom: as Janis Joplin sang, "Freedom's just another word for nothing left to lose ..."