Even today, not everyone can afford eating meat. For example, the UK government adviser on environmental issues, Sir Crispin Tekel said that from the point of view of logic all the earth's population cannot live eating only meat. The planet simply doesn’t have such resources. Only 2.5 billion (less than a half of the population) can be fed in such a way that 35% of the calories obtained from meat products.
A hundred years later it becomes a delicacy, and the breeding of animals may become the new "chip" of high society.