Rule #1 - They are irrational.
Rule #2 - The more passionate their beliefs, the more irrational they are.
Just look at the standard arguments
Bush just wants to take of his oil buddies
The rich are getting richer
Republicans don't care about the poor
None of these are defined statements that can be objectively proven true or false. They are not even worthy of consideration in a debate. Unfortunately, too many people in this country lap this nonsense up.
We may not collapse as a society. But unless something changes, I see us becoming another Euro welfare state.