You are somewhat correct, but fermented foods have important historical inertia due to their ability to preserve calories and nutrition. Alcoholic beverages are

You are somewhat correct, but fermented foods have important historical inertia due to their ability to preserve calories and nutrition. Alcoholic beverages are also like this to a lesser degree, but I personally will give a pass to such foods for their institutional importance. Modern refrigeration is a blink in the eye of human history, after all.