No a way to strike back is precisely what I'm asking for, nice try though. Right now we have literally none short of convincing every realm on the continent to ban Jonsu so we can eventually catch and execute her.
The damage to the religion should be proportionate to the number of people working in opposition to the new regent verses the number supporting.
Of course you do, all leave the religion at the very simplest. At the more complex you refound it. Palatable options, perhaps not. Options for recourse yes indeed they are.