Perhaps. A few were able to leave Vindagnyr and carry word of its fate. Their small number was what protected them from coming to further harm. If the entire city were to migrate, then they would be followed.

[ Ledah is right on the money, though. The purge of Vindagnyr was, for the most part, unfounded. Their transgression was slight, from a mortal point of view; but it was heresy to the gods. ]