Many of us feel certain that the reason had more to do with his sexual preference. The choir has suffered a great loss, in that this director was a superb teacher.
Many members think that the decision was very harsh, and accused the pastor of being a dictator.
Although I feel terrible about this, I know in my heart that the pastor could not condone this behavior in a staff member. I am considering the possibility of finding a new church home. So these kinds of things happen. I, of course, cannot address the situation to which you refer, for it is a complex one, filled with issues I certainly have no knowledge of, and probably a few you do not. I will say that I know a number of people in the Presbyterian USA, and have the highest respect for them.