A closer look at the doctrines of the Roman Catholic Church, page-123

But a carrot does not have a soul like an animal does, for a spiritual vegan it is also about not interfering with another soul, plus anyway as a physical being you cannot survive without eating, physical form without a heart is just a light vibration created by the creator being all of us, that can be utilized while in physical form.
Physical forms vibrating light consuming vibrating light without a soul is ok, it is not ok to consume a vibrating light soul.