I’m sure making fun of Christians really helps democrats make inroads to a community that overwhelmingly opposes them and is large and diverse.
It's okay to make fun of groups that vote Republican.
Yes, Democrats need to show respect and humility the way Trump does. Better yet, they should learn from great Christians like Jerry Fallwell who are so tact and respectful to others:
As long as frauds like Trump and Pence are the leaders of your party with the full backing of the Evangelical industry then you guys don't get to lecture anyone ever again on any moral issues