Most city elves are in fact Andrastian to some degree, whether to appease the humans or because they truly believe. Inessa's somewhere in between, preferring to focus on the aspects of the faith that still have merit while not being blind to what has been done in Andraste's name.

"Good questions. You would have to ask them directly, as I can't provide concrete answers. For now, I suspect that they still remain in shock over Divine Justinia's death--and not just her death, but that of every likely candidate who attended the Conclave. The leadership has been gutted, and that doesn't heal instantly. It's unfortunate that they're so slow to react, not for the election but because of the faithful who look to them for guidance. The Inquisition acts where they cannot, but we are not meant to be a long-term solution."