To my mind that strengthens the hand of the demagogues. I prefer to undermine the foundations.
We seem to disagree on what it takes to undermine the foundations. I'm curious as to what approach you feel is best.
Here's my thinking: If an absurd belief can be used to galvanize large numbers of people into voting in ways that undermine civil liberties for others, then demonstrating the absurdity of the belief
is undermining the foundations. The foundation
is belief.
Christians
always survive the "weakening" of their demagogues. Jim Bakker's downfall didn't undermine any foundations. Catholics don't abandon their beliefs because Priests are caught abusing alter boys.
But pull the mask off the absurdity of the belief itself and show it for what it is and people will notice. Yes there will often be resistance, and some won't budge at all. But some will. I didn't deconvert because I was disappointed by some demagogue. I deconverted because I came to see the absurdity of what I believed. I can't think of a single deconversion story I've ever read where the deconversion was predicated on some iconoclastic episode involving a church leader. Perhaps such stories exist but Christians are more likely to rationalize that if they let such things bother them it's because they placed their faith in some man instead of Jesus.