I don’t think the Fanatics are terribly committed to the cause so much as they are basically the equivalent of extreme football or soccer fans that have found a new uniform and hero to worship.

For many of them, watching Trump on TV for 10 years and not being able to distinguish between reality TV and reality leads them down this path.

Sadly, your assessment of the Democrats is correct. The lockstep obediance of the republicans in Congress is a clear indication that the supporters are not about to be swayed.