She is simply as God requires being honest, not bearing false witness. Coming out isn't about suddenly "becoming gay" -- it's about a change in others' awareness that you always have been gay. It doesn't change the fruits she has born and will continue to bear in ministry, which are gifts of the Spirit.
When lesbians and gay men and young unmarried people support same-sex marriage, what exactly are they supporting? An image of marriage? An illusion about marriage? A belief that it has something important to offer them in a distant future?
It's hard enough carving out a space for ourselves in a world that constantly marginalizes us and our very existence. And having strange men assume that we want to hear what they think of us when there are very few things we want less in the world just adds to the burden.