Your comparison to me is foolish. It is in the same category as saying: My wife has never cooked anything but fried chicken and fried potatoes for me to eat, to ask me to eat a single meal of boiled chicken and boiled potatoes would offend her.
Spong's list is so out there that I think you'd have trouble finding Unitarians who would endorse the whole thing, but this poor fool thinks that it's the core teaching of America's evangelical churches.