Another round of examining engineering tradeoffs!
Sure, but in our increasingly urbanized world I see no way (short of some kind of really realistic and mandatory VR thing) to provide that kind of exposure.
What it boils down to is dismal biology, dismal sociology and dismal economics: people like the taste of meat, they like eating it and they don't want to pay a lot for it. The vegetarians are wrong: people can pop onto the internet and read all the factory farming horror they wish; they don't want to. They don't want to know and the vast majority, when shown such things, will shake their heads, say something must be done, then dismiss it from their mind. Vegetarians who actually want to end factory farming should be going whole hog on synthetic meat substitutes. It'll only when they make something cheaper/tastier than meat that the animal farming will end.