That would be welcome to hear, as a Mozilla user and someone who wants to trust the org to stand for inclusive, humanist values in Internet technology.
He hasn't taken a public position. He's pretty consistently refused to speak publicly about politics at all. The only reason we know his private position is because somebody found his name in a list of private donors to a ballot initiative six years ago.
He was too chicken to open his own mouth. Instead, he paid others $1000 to get the state of California to call my friends f----ts for him. That's enough of a public position for me.
There is a difference between a statement someone got asked for or an immediate statement (even a short one like: "I acknowledge that some people in the developer community have issues with this decision because of my donation to prop8, an issue I will address soon").
The current state of things shows that he didn't feel like this needs to be addressed by himself.