Could ideal 4 already be written out?
It can't that simple but... Vasher did guide him to the third ideal.
“Sometimes, Vasher wondered if the two weren’t really the same thing. Protect a flower, destroy the pests who wanted to feed on it. Protect a building, destroy the plants that could have grown in the soil.
Protect a man. Live with the destruction he creates.”
Excerpt From
Warbreaker
Brandon Sanderson