The disparity in the second group is funny. You have three that are around the power of high level spells, and then an epic level campaign BBEG's ultimate superweapon.
Religion checks are about recalling knowledge, which is intelligence. It's already a severely neglected stat, it doesn't need to be made worse for the sake of making clerics more SAD.
If you're going to be so openly hostile to a player just kick them because you're burning bridges to any hope of having a friendly table atmosphere again.
The disparity in the second group is funny. You have three that are around the power of high level spells, and then an epic level campaign BBEG's ultimate superweapon.