Why Starbucks Korea Closed 2,000 Stores Over a Marketing Campaign Gone Wrong

Starbucks Korea closed all of its more-than-2,000 stores on Monday for mandatory history and social sensitivity training.

The shutdown will cost an estimated 2.1 billion won ($1.4 million) in lost sales according to data firm IGAWorks. What began as a tumbler sale has become one of the most damaging brand crises in recent Korean corporate history, costing the CEO his job, drawing a response from the South Korean president, and opening a criminal investigation.

What Did Starbucks Do to Cause Such Fury?

On May 18, Starbucks Korea ran a discount promotion for its Tank tumbler series, branding it “Tank Day.” That date is the anniversary of the 1980 Gwangju massacre, when military paratroopers violently crushed pro-democracy protests. Victims' groups say hundreds were killed over ten days of violence, according to The Guardian.

Why Did the Word 'Tank' Trigger Such a Powerful Reaction?

For many South Koreans, the word "tank" is inseparable from the military crackdown that defines one of the darkest chapters in the country's modern history. Running a cheerful commercial promotion using that word on that specific date was seen as profound disrespect toward victims, survivors, and the democracy movement.

What Was the 'Thwack' Slogan and Why Did It Make Things Worse?

The campaign also featured the slogan "thwack on the desk," evoking a notorious police claim made after the 1987 torture death of student activist Park Jong-chul. Reportedly, the slogan was suggested by an AI tool, and some managers who approved the campaign never opened the email attachments showing the actual marketing materials.

How Did the Public and Government Respond?

Customers smashed Starbucks mugs in protest and boycotts spread rapidly online. Government ministries cut ties with the chain. As per LADBible, South Korean President Lee Jae Myung said, "What on earth were they thinking, knowing how many lives were taken that day?"

How Much Has This Hurt Business?

Payment volumes plunged 26 percent in the week following the controversy and remain around 25 percent below pre-controversy levels despite partial recovery.

What Consequences Has the Company Faced?

The Starbucks Korea CEO was sacked the day the controversy erupted. Shinsegae Group chair Chung Yong-jin bowed three times at a televised press conference. Starbucks' Seattle headquarters sent a formal apology to the May 18 Foundation representing Gwangju victims.

Could the Legal Fallout Still Get Worse?

Both Chung and the former CEO have been registered as criminal suspects by Seoul police. An internal investigation found no deliberate intent, but the police probe remains ongoing.

For Starbucks, the lesson is as costly as it is straightforward. In markets where history carries profound public weight, no AI tool is a substitute for genuine cultural understanding.

(With inputs from yMedia)