I just chalk it up to "be careful what you wish for".
I'm been event drained by Marvel sufficiently to not really care if things are temporary. We all already know in 6 months there will be "another event that will rock the universe forever" ... lets have a temporary story that stands on it's own ... I'm OK with thatAlso, it's presumably temporary. Though Karnilla died, the Norns themselves escaped. They can't weave fates RIGHT NOW, but eventually they will be able to do so again.