He could have negotiated the withdrawal, but instead decided a unilateral move and then only pretended to want discussion. By which time, it was already clear to everone, IC and OOC, what his goals and aspirations were. He had been OOC recruiting for a while. He WANTED conflict, and thus made sure he got it.
Then we shall have to agree to disagree. The war could have been avoided. The Elders just weren't having it, and now this is the end result. I'm amused that the Church thinks its in position to make ultimatums.