In South Korea, where collective memory carries the weight of law, a coffee chain learned that commerce cannot be separated from conscience. Starbucks Korea, after 27 years of unbroken profitability, posted an 18.4 billion won operating loss in the second quarter of 2026 — not because of competition or economic headwinds, but because a single marketing campaign struck a nerve so deep it became a national wound. The 'Tank Day' promotion, timed to the anniversary of the 1980 Gwangju massacre, reminded the world that in some places, history is not backdrop but bedrock, and those who fail to under