I'm of the opinion that we as fans are probably happier for Priest than they are about the nominations.
As a fan I am happy that their effort on Nosatrdamus was at least recognized. As a 30+ year fan of the band, I believe that they have been over looked by the various media and all that goes with it since their conception. I know that they never cared about such things, and in the grand scheme of things none of it really does matter.
I guess like any good parent, when you see that someone (something) you love makes an impression on others, I tend to smile a little and think, 'way to go guys!!'