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there was a smug letter some ways back on how "privileged" people with access to grass-fed beef would eat it three times a day or whatever. in reality those of us eating this kind of beef are less likely to eat loads of red meat to begin with. besides, this is how beef was meant to be fed.
and yes, I do take issue with being told I don't "need" to eat meat. I recently accompanied friends to a fancy-pants vegan restaurant, and ate some absolutely delicious dishes. I still can't do it full-time (especially with fish, which I eat 5 times a week). if I became a proper vegan, my IBS would draw comparisons to a certain "mental patient" activity.