As a meat eater I do care, although it's partly because meat tastes better from happy animals. I do think factory farming is immoral due to the treatment of the animals, though, it's just a 2 birds one stone thing.

It's absolutely a "know the truth" situation though. People wouldn't do to their pets what they pay people to do to other sentient beings that can do exactly what their pets can. Let me revise my first statement then : it's either ignorance, cognitive dissonance or cruelty. And I can't stand either of them.