They all said it was one of the friendliest atmospheres they had ever seen (that game was a blow out and maybe the fans trying hard to feel accepted in their new conference).
I also attended the cal game that year in full cal gear and was treated great.
However, I have attended BYU/UTah games where i felt the crowd was over the top disrespectful to BYU fans.
I've always felt that Utah fans are excessively crude around BYU fans, but extremely civil around fans of other teams.