I don’t think you can stop cruelty through cruelty. Veganism is about acknowledging every individual and abstaining from exploitation and cruelty towards them. It’s not some sort of utilitarian philosophy where it’s ok sacrifice a small number of individuals for the good of a larger group.
The fact that the head in the bottom panel was just flipped, with such an asymmetrical haircut, is really annoying me (。•́︿•̀。)