With many it's just the cleanliness issue. I don't care if what I am eating used to be a cow or a chicken, but I would prefer that it be cooked properly and not have a roach or a rat trek on it or the plate it's on before I eat it.Sorry but I never understand people that say they will never eat somewhere or eat a particular product again after they see something that happens in a place that processes food or even grows food. I guess we shelter too many of some realities that are out there.
Some can't quite wrap around the idea that that juicy steak they love was possibly once walking around in a feedlot.
You only eat fruits/vegetables - what do you think fertilizer comes from? Even if it is "organic"?
There is a circle of life on this planet.
Best sometimes I think to follow the adage: If you don't see/hear/smell it, it isn't there and never was.