"Rupert" > wrote
>
> What do you suppose would motivate the search if they didn't believe
> (falsely) that it was the best way of trying to reduce harm to
> animals? How would you make sense of what they are doing if they
> didn't have that belief?

They believe that by being vegan they achieve a certain moral standing and
by consuming any animal parts at all they are tainted and that moral
standing is threatened. They perceive it as the idea being "repulsive" or
something to that effect.