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This is just false, there is a mathematical framework for aggregating data in a way that prevents de-anonymization https://en.m.wikipedia.org/wiki/Differential_privacy. This is what the US census department uses to release census statistics without impacting anyone’s privacy.
At least in the US there are a number of subsidies that help to keep meat prices low, which isn’t really great because it increases demand for one of the more environmentally damaging foods to produce.