Other Christian denominations it is largely "they wear dad shoes and think they are hip" haha type of stuff. Good natured ribbing.
When it comes to Mormons it is definitely more aggressive than they deal with other faiths. Maybe they have softened up but for awhile it was obvious they didn't really view us as they did others and were much more willing to sling mud.
This has soured me on them a bit. I still think they are funny sometimes and think those who are adamant that they aren't funny and feel the need to let the world know that it isn't funny are dorks.