> vegetables are dramatically more expensive than soda per calorie. That's a poor measure of comparison. Vegetarians are healthy and easily survive without a p

> vegetables are dramatically more expensive than soda per calorie. That's a poor measure of comparison. Vegetarians are healthy and easily survive without a problem on vegetables only (and calorie wise 50% or far less of what the "daily recommended intake" often is) whereas nobody is going to survive on soda alone.